<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:baa0b2cc-a1b2-4d89-ae12-2fbf131ac294,g:3a57088e-5e43-4070-a658-f27923a7c0eb-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSunaudited" xlink:type="simple" xlink:href="lbtya-20250930.xsd#CONDENSEDCONSOLIDATEDBALANCESHEETSunaudited"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSunaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_963e218c-763d-4626-97eb-7c5703cae039" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_70a7cda5-b372-4ac4-8069-420ef4c89e2b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_963e218c-763d-4626-97eb-7c5703cae039" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_70a7cda5-b372-4ac4-8069-420ef4c89e2b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_af64e811-bc99-40cb-b787-21f4b7dc4eb9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_963e218c-763d-4626-97eb-7c5703cae039" xlink:to="loc_us-gaap_Goodwill_af64e811-bc99-40cb-b787-21f4b7dc4eb9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_78c4419c-4257-4be3-ae82-32e24e57b339" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_963e218c-763d-4626-97eb-7c5703cae039" xlink:to="loc_us-gaap_AssetsCurrent_78c4419c-4257-4be3-ae82-32e24e57b339" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_c58a99ac-3c32-46a3-9a1d-5894d4114d74" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermInvestments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_963e218c-763d-4626-97eb-7c5703cae039" xlink:to="loc_us-gaap_LongTermInvestments_c58a99ac-3c32-46a3-9a1d-5894d4114d74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_7e701b9f-17fd-4acf-aae9-3a5f5442870a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_963e218c-763d-4626-97eb-7c5703cae039" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_7e701b9f-17fd-4acf-aae9-3a5f5442870a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet_f12cf263-3c5e-4125-a598-4652618afeca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherIntangibleAssetsNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_963e218c-763d-4626-97eb-7c5703cae039" xlink:to="loc_us-gaap_OtherIntangibleAssetsNet_f12cf263-3c5e-4125-a598-4652618afeca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_671c3c0a-b282-4dec-b52b-cc914e423065" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_d16a5fa2-4d0d-41bb-8f60-00046b60f266" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_671c3c0a-b282-4dec-b52b-cc914e423065" xlink:to="loc_us-gaap_StockholdersEquity_d16a5fa2-4d0d-41bb-8f60-00046b60f266" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_0221cd9b-ac21-415c-b7f0-f8752610c947" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_671c3c0a-b282-4dec-b52b-cc914e423065" xlink:to="loc_us-gaap_MinorityInterest_0221cd9b-ac21-415c-b7f0-f8752610c947" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_8e896df1-9f12-4471-894b-03f41fb794a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_54e08992-a8e1-48ec-aca3-7cdcd58a6571" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_8e896df1-9f12-4471-894b-03f41fb794a6" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_54e08992-a8e1-48ec-aca3-7cdcd58a6571" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_386daa4f-34f5-40e5-bf3e-439e7a7a4a9e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_8e896df1-9f12-4471-894b-03f41fb794a6" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_386daa4f-34f5-40e5-bf3e-439e7a7a4a9e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_9ae4aa74-9ba7-4b5d-915d-57bdb09a2311" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_8e896df1-9f12-4471-894b-03f41fb794a6" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_9ae4aa74-9ba7-4b5d-915d-57bdb09a2311" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_c04fcd48-7f18-407d-94af-79d64f6eebd4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_8e896df1-9f12-4471-894b-03f41fb794a6" xlink:to="loc_us-gaap_LiabilitiesCurrent_c04fcd48-7f18-407d-94af-79d64f6eebd4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_fe165bd7-8bd6-409a-9c0e-30ab181ace42" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_AccruedCapitalExpendituresCurrent_afbc5a06-53c6-4c96-8283-d25be00374a7" xlink:href="lbtya-20250930.xsd#lbtya_AccruedCapitalExpendituresCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_fe165bd7-8bd6-409a-9c0e-30ab181ace42" xlink:to="loc_lbtya_AccruedCapitalExpendituresCurrent_afbc5a06-53c6-4c96-8283-d25be00374a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_a52be1fd-bbeb-4d6c-9518-cbc7a691d345" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_fe165bd7-8bd6-409a-9c0e-30ab181ace42" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_a52be1fd-bbeb-4d6c-9518-cbc7a691d345" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_dd6b73bd-eb5f-4640-ace4-2f8072dfb0d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_fe165bd7-8bd6-409a-9c0e-30ab181ace42" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_dd6b73bd-eb5f-4640-ace4-2f8072dfb0d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_76313c15-a713-4649-b118-36d350b69dd5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_fe165bd7-8bd6-409a-9c0e-30ab181ace42" xlink:to="loc_us-gaap_AccountsPayableCurrent_76313c15-a713-4649-b118-36d350b69dd5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtCurrent_d5824b3f-de00-4df0-a9ed-8cc38c51dd57" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_fe165bd7-8bd6-409a-9c0e-30ab181ace42" xlink:to="loc_us-gaap_DebtCurrent_d5824b3f-de00-4df0-a9ed-8cc38c51dd57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_d64d5db8-9a87-4dd5-8750-8c37a10e279f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_fe165bd7-8bd6-409a-9c0e-30ab181ace42" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_d64d5db8-9a87-4dd5-8750-8c37a10e279f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_d6f2e3f8-d9eb-4b75-95d2-45063e0aaf8b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_aabc7ffc-7d02-4e2c-a5e0-ab871c7d5dd7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d6f2e3f8-d9eb-4b75-95d2-45063e0aaf8b" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_aabc7ffc-7d02-4e2c-a5e0-ab871c7d5dd7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_02b0a716-ab46-4dc7-add0-2aa2babe584f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d6f2e3f8-d9eb-4b75-95d2-45063e0aaf8b" xlink:to="loc_us-gaap_OtherAssetsCurrent_02b0a716-ab46-4dc7-add0-2aa2babe584f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c4b0d358-25bf-4121-b33d-983b0619e337" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d6f2e3f8-d9eb-4b75-95d2-45063e0aaf8b" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c4b0d358-25bf-4121-b33d-983b0619e337" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_a4a785c8-9585-45d6-9bdc-80dd7a3c4e33" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermInvestments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d6f2e3f8-d9eb-4b75-95d2-45063e0aaf8b" xlink:to="loc_us-gaap_ShortTermInvestments_a4a785c8-9585-45d6-9bdc-80dd7a3c4e33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_2596c8e8-20a5-4042-9891-1c4f7ad69ee1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d6f2e3f8-d9eb-4b75-95d2-45063e0aaf8b" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_2596c8e8-20a5-4042-9891-1c4f7ad69ee1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_1226aa0c-c6dd-4e53-a02a-b6c43b8b6880" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_63b1bde7-6dad-454d-9113-1085153f2dd6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_1226aa0c-c6dd-4e53-a02a-b6c43b8b6880" xlink:to="loc_us-gaap_CommonStockValue_63b1bde7-6dad-454d-9113-1085153f2dd6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_5e9dde0e-e152-4894-842b-bd8c08118e01" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_1226aa0c-c6dd-4e53-a02a-b6c43b8b6880" xlink:to="loc_us-gaap_AdditionalPaidInCapital_5e9dde0e-e152-4894-842b-bd8c08118e01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_0e7347ef-ba8c-401e-858c-ef3b0f320958" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_1226aa0c-c6dd-4e53-a02a-b6c43b8b6880" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_0e7347ef-ba8c-401e-858c-ef3b0f320958" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_868638a8-10cf-4742-be9f-f3862aa7a02c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_1226aa0c-c6dd-4e53-a02a-b6c43b8b6880" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_868638a8-10cf-4742-be9f-f3862aa7a02c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_5502775f-c74d-4b1f-a390-c908eb1b68fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_1226aa0c-c6dd-4e53-a02a-b6c43b8b6880" xlink:to="loc_us-gaap_TreasuryStockCommonValue_5502775f-c74d-4b1f-a390-c908eb1b68fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b9cf567-5f36-4c55-a1ff-e90be4ebdd5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_42cdc7e8-d6bb-4a72-a90a-2f10f63c94df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b9cf567-5f36-4c55-a1ff-e90be4ebdd5d" xlink:to="loc_us-gaap_Liabilities_42cdc7e8-d6bb-4a72-a90a-2f10f63c94df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_033380cb-a352-4df0-a0f3-0914d88c0983" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b9cf567-5f36-4c55-a1ff-e90be4ebdd5d" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_033380cb-a352-4df0-a0f3-0914d88c0983" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_6110a851-1645-49bf-832e-8b2ddec2f9d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b9cf567-5f36-4c55-a1ff-e90be4ebdd5d" xlink:to="loc_us-gaap_CommitmentsAndContingencies_6110a851-1645-49bf-832e-8b2ddec2f9d0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSunaudited" xlink:type="simple" xlink:href="lbtya-20250930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSunaudited"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSunaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_7496e4e5-9724-4a74-9c5a-c5dd3544ca30" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_e5cc7240-bf04-4907-8e4b-f6dcf1753657" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_7496e4e5-9724-4a74-9c5a-c5dd3544ca30" xlink:to="loc_us-gaap_OperatingIncomeLoss_e5cc7240-bf04-4907-8e4b-f6dcf1753657" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_dcf51617-4286-49d1-85b7-abf7e4fe486d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_7496e4e5-9724-4a74-9c5a-c5dd3544ca30" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_dcf51617-4286-49d1-85b7-abf7e4fe486d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_568c24ff-dd4d-41ad-9aae-86c3a230b959" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_a6db8c88-faeb-45fb-b384-9fa82015657a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_568c24ff-dd4d-41ad-9aae-86c3a230b959" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_a6db8c88-faeb-45fb-b384-9fa82015657a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1d62c667-eff0-4f8d-8fdf-faa7af21097b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_568c24ff-dd4d-41ad-9aae-86c3a230b959" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1d62c667-eff0-4f8d-8fdf-faa7af21097b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_0ad88717-0daf-4071-90b8-ed6758de5352" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_efe5768e-6391-4b03-84bc-c6da4da6b1fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_0ad88717-0daf-4071-90b8-ed6758de5352" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_efe5768e-6391-4b03-84bc-c6da4da6b1fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_d9de0a9f-4142-4379-ba42-51f0516fa82b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_0ad88717-0daf-4071-90b8-ed6758de5352" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_d9de0a9f-4142-4379-ba42-51f0516fa82b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_86012fda-1a6f-4ced-809c-30cea5478718" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_352f05a1-5e11-4a80-aa79-353fd497048d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_86012fda-1a6f-4ced-809c-30cea5478718" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_352f05a1-5e11-4a80-aa79-353fd497048d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_447e999b-8f75-4765-b6b1-ce7ee2c20b67" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_86012fda-1a6f-4ced-809c-30cea5478718" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_447e999b-8f75-4765-b6b1-ce7ee2c20b67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_8f4a1526-ddde-41c4-b768-68a98736bfcd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_e3669177-e0f9-469d-b050-aff9bdceda23" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_8f4a1526-ddde-41c4-b768-68a98736bfcd" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_e3669177-e0f9-469d-b050-aff9bdceda23" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_470a12e6-4a67-477c-af8b-a10d29a4a417" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_8f4a1526-ddde-41c4-b768-68a98736bfcd" xlink:to="loc_us-gaap_CostsAndExpenses_470a12e6-4a67-477c-af8b-a10d29a4a417" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_e97fe8fb-feda-4336-a89d-27bb0d0021bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_c94a6dfe-0b64-48e0-ad38-9fdcddb2f1f8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_e97fe8fb-feda-4336-a89d-27bb0d0021bc" xlink:to="loc_us-gaap_InterestExpenseNonoperating_c94a6dfe-0b64-48e0-ad38-9fdcddb2f1f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_c686b5ed-4a40-42a7-8b07-f372e8505918" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_e97fe8fb-feda-4336-a89d-27bb0d0021bc" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_c686b5ed-4a40-42a7-8b07-f372e8505918" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_685300ac-e113-4169-8833-040927dae123" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_e97fe8fb-feda-4336-a89d-27bb0d0021bc" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_685300ac-e113-4169-8833-040927dae123" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsNet_51e28386-f3ef-4702-b7bf-60ec289d8393" xlink:href="lbtya-20250930.xsd#lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_e97fe8fb-feda-4336-a89d-27bb0d0021bc" xlink:to="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsNet_51e28386-f3ef-4702-b7bf-60ec289d8393" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_fbf9591e-b047-4258-bee5-8bf9fdd78e5f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_e97fe8fb-feda-4336-a89d-27bb0d0021bc" xlink:to="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_fbf9591e-b047-4258-bee5-8bf9fdd78e5f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_e1f5304e-ab5d-4c9a-b8b1-46fc442514cb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_e97fe8fb-feda-4336-a89d-27bb0d0021bc" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_e1f5304e-ab5d-4c9a-b8b1-46fc442514cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_49d62ae3-b889-4938-a04a-b5b51627fb51" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_e97fe8fb-feda-4336-a89d-27bb0d0021bc" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_49d62ae3-b889-4938-a04a-b5b51627fb51" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_6eebcfbf-6f3f-493b-8638-5415ef0745fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_e97fe8fb-feda-4336-a89d-27bb0d0021bc" xlink:to="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_6eebcfbf-6f3f-493b-8638-5415ef0745fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_187d8b74-299c-4852-abc4-82270dda6dbe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_2a933fa7-fa26-450e-8d54-216595dabc0a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_187d8b74-299c-4852-abc4-82270dda6dbe" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_2a933fa7-fa26-450e-8d54-216595dabc0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_7e639c0c-4b90-4c3d-91ed-d6156537002f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_187d8b74-299c-4852-abc4-82270dda6dbe" xlink:to="loc_us-gaap_DepreciationAndAmortization_7e639c0c-4b90-4c3d-91ed-d6156537002f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_4020ec67-cafd-4167-bbab-8d8d953d1a90" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringSettlementAndImpairmentProvisions"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_187d8b74-299c-4852-abc4-82270dda6dbe" xlink:to="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_4020ec67-cafd-4167-bbab-8d8d953d1a90" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_c172ccb0-ff6a-47d2-a376-ddbcdf45c7b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_187d8b74-299c-4852-abc4-82270dda6dbe" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_c172ccb0-ff6a-47d2-a376-ddbcdf45c7b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_0fb1c27d-49f5-4451-96a3-bc3a323e9d5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_187d8b74-299c-4852-abc4-82270dda6dbe" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_0fb1c27d-49f5-4451-96a3-bc3a323e9d5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_0d4668e8-76e6-47ff-bea3-0690d4afb2c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_f4b72b51-0f79-4e6f-ad98-9252daaacf30" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_0d4668e8-76e6-47ff-bea3-0690d4afb2c9" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_f4b72b51-0f79-4e6f-ad98-9252daaacf30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_4e200543-a2ab-4839-92eb-eccc3b173321" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_0d4668e8-76e6-47ff-bea3-0690d4afb2c9" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_4e200543-a2ab-4839-92eb-eccc3b173321" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_62c23fe6-f7d5-4535-a934-4cf293304c08" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_5a94dbfe-d60f-46d7-9c4c-66aadb2e15f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_62c23fe6-f7d5-4535-a934-4cf293304c08" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_5a94dbfe-d60f-46d7-9c4c-66aadb2e15f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_8e89cfef-d495-4edf-9eca-d9486fa6bc38" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_62c23fe6-f7d5-4535-a934-4cf293304c08" xlink:to="loc_us-gaap_ProfitLoss_8e89cfef-d495-4edf-9eca-d9486fa6bc38" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGSLOSSunaudited" xlink:type="simple" xlink:href="lbtya-20250930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGSLOSSunaudited"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGSLOSSunaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_b14addae-9ac4-4167-9731-3b94a9c2df37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations_4402f817-ee17-46a1-abed-d73110d04055" xlink:href="lbtya-20250930.xsd#lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_b14addae-9ac4-4167-9731-3b94a9c2df37" xlink:to="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations_4402f817-ee17-46a1-abed-d73110d04055" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxDiscontinuedOperations_b7d0a85e-59ee-4e0d-9fad-eebc72c9d0eb" xlink:href="lbtya-20250930.xsd#lbtya_OtherComprehensiveIncomeLossNetOfTaxDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_b14addae-9ac4-4167-9731-3b94a9c2df37" xlink:to="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxDiscontinuedOperations_b7d0a85e-59ee-4e0d-9fad-eebc72c9d0eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations_4aa64bdc-395d-4faa-bd1c-d5f5ec3986af" xlink:href="lbtya-20250930.xsd#lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_f6dcf56f-2572-44d2-ad10-4bb83cc21cf3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations_4aa64bdc-395d-4faa-bd1c-d5f5ec3986af" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_f6dcf56f-2572-44d2-ad10-4bb83cc21cf3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_cdf0d707-641d-4244-81a0-4080d6d18159" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations_4aa64bdc-395d-4faa-bd1c-d5f5ec3986af" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_cdf0d707-641d-4244-81a0-4080d6d18159" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_701461a1-8a7a-4bc0-953b-ddb183c105f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations_4aa64bdc-395d-4faa-bd1c-d5f5ec3986af" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_701461a1-8a7a-4bc0-953b-ddb183c105f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_7d829ff6-5cc6-4eb0-aeda-0ccfeaef9c0c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2c3ef549-18e9-48fb-901f-77bc7fb703a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_7d829ff6-5cc6-4eb0-aeda-0ccfeaef9c0c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2c3ef549-18e9-48fb-901f-77bc7fb703a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_1839a8fa-d660-407e-ba9c-28287812740e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_7d829ff6-5cc6-4eb0-aeda-0ccfeaef9c0c" xlink:to="loc_us-gaap_ProfitLoss_1839a8fa-d660-407e-ba9c-28287812740e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_bab7a0fe-45c7-4b8c-b507-7fae0cc19a2b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_74b4b161-eaf6-43f5-9b77-286d7e1806f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_bab7a0fe-45c7-4b8c-b507-7fae0cc19a2b" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_74b4b161-eaf6-43f5-9b77-286d7e1806f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_041aa562-86ad-4447-b3e5-e20defdaf5af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_bab7a0fe-45c7-4b8c-b507-7fae0cc19a2b" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_041aa562-86ad-4447-b3e5-e20defdaf5af" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited" xlink:type="simple" xlink:href="lbtya-20250930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5484c480-b52f-4b45-bde8-523507ce80ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7e477b75-ef04-4388-82c5-9935f5d99e32" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5484c480-b52f-4b45-bde8-523507ce80ed" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7e477b75-ef04-4388-82c5-9935f5d99e32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_1f2baa8d-30ed-478a-955b-897306561ece" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5484c480-b52f-4b45-bde8-523507ce80ed" xlink:to="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_1f2baa8d-30ed-478a-955b-897306561ece" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_217063de-4530-4d5a-a14b-1805144dbea6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_9bfdd6cf-b039-4f9d-809c-80354d1bc456" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_217063de-4530-4d5a-a14b-1805144dbea6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_9bfdd6cf-b039-4f9d-809c-80354d1bc456" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_e7d4e787-aa5f-4011-8c2e-dba63ba0da47" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_217063de-4530-4d5a-a14b-1805144dbea6" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_e7d4e787-aa5f-4011-8c2e-dba63ba0da47" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_fb2b2785-f4e8-462e-a6de-18d53cb89efa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPaidNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_InterestPaidContinuingOperations_ad68d646-bb2d-49b8-9450-094736883375" xlink:href="lbtya-20250930.xsd#lbtya_InterestPaidContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestPaidNet_fb2b2785-f4e8-462e-a6de-18d53cb89efa" xlink:to="loc_lbtya_InterestPaidContinuingOperations_ad68d646-bb2d-49b8-9450-094736883375" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidDiscontinuedOperations_6a1429b9-afb3-4157-8cd4-4231b94b5e98" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPaidDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestPaidNet_fb2b2785-f4e8-462e-a6de-18d53cb89efa" xlink:to="loc_us-gaap_InterestPaidDiscontinuedOperations_6a1429b9-afb3-4157-8cd4-4231b94b5e98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations_c279d835-d75b-4d9d-bf80-df79841a9098" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_543f252f-5415-4a3b-8a63-2e370387c38d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations_c279d835-d75b-4d9d-bf80-df79841a9098" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_543f252f-5415-4a3b-8a63-2e370387c38d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_6e81aa4c-ebcc-489b-ab07-b930ffc35af7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations_c279d835-d75b-4d9d-bf80-df79841a9098" xlink:to="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_6e81aa4c-ebcc-489b-ab07-b930ffc35af7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_db3a20b7-c13c-42b8-b175-6020aa0f83f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations_c279d835-d75b-4d9d-bf80-df79841a9098" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_db3a20b7-c13c-42b8-b175-6020aa0f83f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_eaa3baaa-2c84-4228-ac41-d7a95ef7628d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations_c279d835-d75b-4d9d-bf80-df79841a9098" xlink:to="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_eaa3baaa-2c84-4228-ac41-d7a95ef7628d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_137ab720-dcc8-433b-91e0-2ecaa0d721a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_aac42d73-385e-48ff-aaa1-c9eb9ad422bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_137ab720-dcc8-433b-91e0-2ecaa0d721a4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_aac42d73-385e-48ff-aaa1-c9eb9ad422bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_b170b260-d4b2-4003-86cd-6c79265b1c9e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_137ab720-dcc8-433b-91e0-2ecaa0d721a4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_b170b260-d4b2-4003-86cd-6c79265b1c9e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_e6585781-5cff-4a86-a1c3-044e6482df98" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_137ab720-dcc8-433b-91e0-2ecaa0d721a4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_e6585781-5cff-4a86-a1c3-044e6482df98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_25705191-7a51-4fac-8960-f0ba1e0d3d2b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_137ab720-dcc8-433b-91e0-2ecaa0d721a4" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_25705191-7a51-4fac-8960-f0ba1e0d3d2b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_38f6931f-3f8d-4374-a064-c967beb8012a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_e45cda64-f48d-4943-8d7b-ea21966eb996" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_38f6931f-3f8d-4374-a064-c967beb8012a" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_e45cda64-f48d-4943-8d7b-ea21966eb996" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_960daa07-acbe-40cd-ac4b-00450929b6f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_38f6931f-3f8d-4374-a064-c967beb8012a" xlink:to="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_960daa07-acbe-40cd-ac4b-00450929b6f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_aa4c160b-24cb-4e4e-b3e9-828c71cb77e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_38f6931f-3f8d-4374-a064-c967beb8012a" xlink:to="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_aa4c160b-24cb-4e4e-b3e9-828c71cb77e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_2b18f692-dd34-478a-8746-aa640b285a74" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_38f6931f-3f8d-4374-a064-c967beb8012a" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_2b18f692-dd34-478a-8746-aa640b285a74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfEquityMethodInvestments_b5a0fd9f-e0f8-4abd-a57b-253a94d2a9fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfEquityMethodInvestments"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_38f6931f-3f8d-4374-a064-c967beb8012a" xlink:to="loc_us-gaap_ProceedsFromSaleOfEquityMethodInvestments_b5a0fd9f-e0f8-4abd-a57b-253a94d2a9fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6bf3b152-c67f-49f9-a1dd-e56f06f3846a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_f67a7163-2f74-4b82-9d5f-77d620bac430" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6bf3b152-c67f-49f9-a1dd-e56f06f3846a" xlink:to="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_f67a7163-2f74-4b82-9d5f-77d620bac430" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_f87424b3-bd42-4696-8e79-8b9b92bdb465" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6bf3b152-c67f-49f9-a1dd-e56f06f3846a" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_f87424b3-bd42-4696-8e79-8b9b92bdb465" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_41cc76c8-fdc6-46d3-97ea-c5839e6f1d96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f756762b-0006-4b74-8347-a9c72f50a6dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_41cc76c8-fdc6-46d3-97ea-c5839e6f1d96" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f756762b-0006-4b74-8347-a9c72f50a6dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_3ceb3bb8-3994-4acc-b4e2-985025afe3bf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_41cc76c8-fdc6-46d3-97ea-c5839e6f1d96" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_3ceb3bb8-3994-4acc-b4e2-985025afe3bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_841eb8b6-e870-49c4-bb80-7af19b52faf2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_41cc76c8-fdc6-46d3-97ea-c5839e6f1d96" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_841eb8b6-e870-49c4-bb80-7af19b52faf2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_d2996fe6-6176-426a-b114-e779506818f9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_41cc76c8-fdc6-46d3-97ea-c5839e6f1d96" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_d2996fe6-6176-426a-b114-e779506818f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_a8427051-5f27-4954-af9c-36242bba4d7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_408b7fe4-3cc2-4b07-9c8a-607bbe5c7929" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_a8427051-5f27-4954-af9c-36242bba4d7e" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_408b7fe4-3cc2-4b07-9c8a-607bbe5c7929" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_77c93212-00e2-4f3d-889f-cd1377520260" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_a8427051-5f27-4954-af9c-36242bba4d7e" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_77c93212-00e2-4f3d-889f-cd1377520260" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e4320a26-3ec9-4f27-8ae6-d47d28fae849" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_77a8ae56-5b38-4099-a674-970929370444" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e4320a26-3ec9-4f27-8ae6-d47d28fae849" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_77a8ae56-5b38-4099-a674-970929370444" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RepaymentsOfLongTermDebtOnCapitalFinancingFromVendors_409ba925-3d67-4947-922d-9a5d5e875e76" xlink:href="lbtya-20250930.xsd#lbtya_RepaymentsOfLongTermDebtOnCapitalFinancingFromVendors"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e4320a26-3ec9-4f27-8ae6-d47d28fae849" xlink:to="loc_lbtya_RepaymentsOfLongTermDebtOnCapitalFinancingFromVendors_409ba925-3d67-4947-922d-9a5d5e875e76" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_eb216438-7548-41ef-9fec-63bfa8335eb9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e4320a26-3ec9-4f27-8ae6-d47d28fae849" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_eb216438-7548-41ef-9fec-63bfa8335eb9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RepaymentsOfLongTermDebtOnOperatingFinancingFromVendors_209ca085-b03a-4210-843f-54d33535ee37" xlink:href="lbtya-20250930.xsd#lbtya_RepaymentsOfLongTermDebtOnOperatingFinancingFromVendors"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e4320a26-3ec9-4f27-8ae6-d47d28fae849" xlink:to="loc_lbtya_RepaymentsOfLongTermDebtOnOperatingFinancingFromVendors_209ca085-b03a-4210-843f-54d33535ee37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_2288575f-a61e-489c-89be-155d27f86ac9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e4320a26-3ec9-4f27-8ae6-d47d28fae849" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_2288575f-a61e-489c-89be-155d27f86ac9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_ProceedsFromOperatingRelatedVendorFinancingAdditions_9d8c9928-d7a5-40eb-8da7-ba3db9970c39" xlink:href="lbtya-20250930.xsd#lbtya_ProceedsFromOperatingRelatedVendorFinancingAdditions"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e4320a26-3ec9-4f27-8ae6-d47d28fae849" xlink:to="loc_lbtya_ProceedsFromOperatingRelatedVendorFinancingAdditions_9d8c9928-d7a5-40eb-8da7-ba3db9970c39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_dba9221d-792a-49e0-8706-60d26bf7bcad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e4320a26-3ec9-4f27-8ae6-d47d28fae849" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_dba9221d-792a-49e0-8706-60d26bf7bcad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_014f9c17-b834-4e73-9a1e-e3e0da76f631" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e4320a26-3ec9-4f27-8ae6-d47d28fae849" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_014f9c17-b834-4e73-9a1e-e3e0da76f631" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_52771684-99d0-4210-a47c-ba49c747918a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_e4320a26-3ec9-4f27-8ae6-d47d28fae849" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_52771684-99d0-4210-a47c-ba49c747918a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_17606d55-9942-448c-9f48-57c0ef02461f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_IncomeTaxesPaidContinuingOperations_8455cf62-59e6-4376-8f38-aee18eaddd4b" xlink:href="lbtya-20250930.xsd#lbtya_IncomeTaxesPaidContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_17606d55-9942-448c-9f48-57c0ef02461f" xlink:to="loc_lbtya_IncomeTaxesPaidContinuingOperations_8455cf62-59e6-4376-8f38-aee18eaddd4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_IncomeTaxesPaidDiscontinuedOperations_f2f48453-165f-4d1e-a299-8ac40a1f503b" xlink:href="lbtya-20250930.xsd#lbtya_IncomeTaxesPaidDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_17606d55-9942-448c-9f48-57c0ef02461f" xlink:to="loc_lbtya_IncomeTaxesPaidDiscontinuedOperations_f2f48453-165f-4d1e-a299-8ac40a1f503b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_4738f547-c440-4979-ab43-68f86bada634" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_4738f547-c440-4979-ab43-68f86bada634" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapital_5cd61660-3e84-4fe1-a2fa-a75e85309f1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOperatingCapital"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapital_5cd61660-3e84-4fe1-a2fa-a75e85309f1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e5d5337e-e74f-4b92-8205-9a90cf0310dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e5d5337e-e74f-4b92-8205-9a90cf0310dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_48b22448-b582-4217-b8a5-a65f0d71825d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_DepreciationAndAmortization_48b22448-b582-4217-b8a5-a65f0d71825d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_b6fa4c66-8ca8-4b90-9cd5-ee4e25794b1c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_b6fa4c66-8ca8-4b90-9cd5-ee4e25794b1c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_39f67560-5805-4799-946a-740ccb97f563" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_39f67560-5805-4799-946a-740ccb97f563" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_f1566430-4664-4bdb-9775-416bd9f53e74" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_f1566430-4664-4bdb-9775-416bd9f53e74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2a1bfd60-0863-4f73-bd96-2c4f6387e8dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2a1bfd60-0863-4f73-bd96-2c4f6387e8dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_78b6c622-09a7-4998-b91f-b82b8f367091" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_78b6c622-09a7-4998-b91f-b82b8f367091" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsAndDebtNet_a0ae574e-f05b-4372-a738-e0d0ad82c1ec" xlink:href="lbtya-20250930.xsd#lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsAndDebtNet"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsAndDebtNet_a0ae574e-f05b-4372-a738-e0d0ad82c1ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_e6735108-1e76-445a-b861-b47f7e342cb6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_ShareBasedCompensation_e6735108-1e76-445a-b861-b47f7e342cb6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_60f14b16-f3e3-42e5-8326-bca15c7774ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringSettlementAndImpairmentProvisions"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_60f14b16-f3e3-42e5-8326-bca15c7774ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_40c6c9a7-4c4d-4522-8580-5cdd2d984c37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_ea818493-80c5-46ad-96a4-2316a362b805" xlink:to="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_40c6c9a7-4c4d-4522-8580-5cdd2d984c37" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited_1" xlink:type="simple" xlink:href="lbtya-20250930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited_1"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_b92ffe4d-1857-4511-81b7-bf0e7980595a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations_26dd7bef-c5e0-4c15-8946-d1c0ae92fbec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_b92ffe4d-1857-4511-81b7-bf0e7980595a" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations_26dd7bef-c5e0-4c15-8946-d1c0ae92fbec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_50c13fac-7112-4caa-be10-930737142fd1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_b92ffe4d-1857-4511-81b7-bf0e7980595a" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_50c13fac-7112-4caa-be10-930737142fd1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunauditedParenthetical" xlink:type="simple" xlink:href="lbtya-20250930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunauditedParenthetical"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunauditedParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_c103f0fd-ccfd-4f3d-aa5d-86ff81cd58dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_18558c16-aaba-4080-a340-86738ce2aa71" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_c103f0fd-ccfd-4f3d-aa5d-86ff81cd58dc" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_18558c16-aaba-4080-a340-86738ce2aa71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_9bcbfd3a-d22e-49cb-ad97-885cf362a185" xlink:href="lbtya-20250930.xsd#lbtya_RestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_c103f0fd-ccfd-4f3d-aa5d-86ff81cd58dc" xlink:to="loc_lbtya_RestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_9bcbfd3a-d22e-49cb-ad97-885cf362a185" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_925841dc-bbaf-483e-86cd-0f2cc39e5a2a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_c103f0fd-ccfd-4f3d-aa5d-86ff81cd58dc" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_925841dc-bbaf-483e-86cd-0f2cc39e5a2a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/AcquisitionsandDispositionsPurchasePriceandOpeningBalanceSheetDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#AcquisitionsandDispositionsPurchasePriceandOpeningBalanceSheetDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/AcquisitionsandDispositionsPurchasePriceandOpeningBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_cfffe749-1310-422b-93b9-5274837d3fe9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_4e7f2fbc-2c9a-46eb-8a8c-7a0ce22d54e7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_cfffe749-1310-422b-93b9-5274837d3fe9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_4e7f2fbc-2c9a-46eb-8a8c-7a0ce22d54e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_70dd80c4-14e3-4cf4-911e-e4edf6a99d94" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_cfffe749-1310-422b-93b9-5274837d3fe9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_70dd80c4-14e3-4cf4-911e-e4edf6a99d94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_18682c49-ea31-4d36-b9cb-8957432de45e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_cfffe749-1310-422b-93b9-5274837d3fe9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_18682c49-ea31-4d36-b9cb-8957432de45e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_6d68c7ef-3fb8-4a52-bbf3-d3582901153f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_cfffe749-1310-422b-93b9-5274837d3fe9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_6d68c7ef-3fb8-4a52-bbf3-d3582901153f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_625b856b-bcd6-4785-adb5-03a72c428fe7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_cfffe749-1310-422b-93b9-5274837d3fe9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_625b856b-bcd6-4785-adb5-03a72c428fe7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_9d809ef8-ae80-49ec-8efc-2dc8a9cf733b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_cfffe749-1310-422b-93b9-5274837d3fe9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_9d809ef8-ae80-49ec-8efc-2dc8a9cf733b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_7e6ae8d6-90d1-4d90-bbe3-e3fed4895644" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_cfffe749-1310-422b-93b9-5274837d3fe9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_7e6ae8d6-90d1-4d90-bbe3-e3fed4895644" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/AcquisitionsandDispositionsIntercompanyRevenueandExpensesDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#AcquisitionsandDispositionsIntercompanyRevenueandExpensesDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/AcquisitionsandDispositionsIntercompanyRevenueandExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_e05d2b65-dbe4-4582-a71f-6014efdbf658" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_26a35917-1061-4740-a03d-b4e8111d4020" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_e05d2b65-dbe4-4582-a71f-6014efdbf658" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_26a35917-1061-4740-a03d-b4e8111d4020" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_91826655-bb9d-4a5d-9f4b-0f7ce3197434" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_e05d2b65-dbe4-4582-a71f-6014efdbf658" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_91826655-bb9d-4a5d-9f4b-0f7ce3197434" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/InvestmentsInvestmentsDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#InvestmentsInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/InvestmentsInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_059390c0-3fec-44e7-a202-321a4860176c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_bfa899ef-e6b8-4317-b8be-f9164a42a5c3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_059390c0-3fec-44e7-a202-321a4860176c" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_bfa899ef-e6b8-4317-b8be-f9164a42a5c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent_77d3afda-8231-44a3-83ba-11d0b265f08c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_059390c0-3fec-44e7-a202-321a4860176c" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent_77d3afda-8231-44a3-83ba-11d0b265f08c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue_526fe152-263a-4dab-a5b1-26395f2eb497" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_059390c0-3fec-44e7-a202-321a4860176c" xlink:to="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue_526fe152-263a-4dab-a5b1-26395f2eb497" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_f20444c0-7875-447c-a855-ee02e931a01e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Investments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_1b23e82e-dc52-4126-b359-74f74dc3b0c5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_f20444c0-7875-447c-a855-ee02e931a01e" xlink:to="loc_us-gaap_ShortTermInvestments_1b23e82e-dc52-4126-b359-74f74dc3b0c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_477bdbb0-5446-4596-a8b4-be6cc56cde07" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_f20444c0-7875-447c-a855-ee02e931a01e" xlink:to="loc_us-gaap_LongTermInvestments_477bdbb0-5446-4596-a8b4-be6cc56cde07" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DerivativeInstrumentsFairValuesofDerivativeAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#DerivativeInstrumentsFairValuesofDerivativeAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/DerivativeInstrumentsFairValuesofDerivativeAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_9b0af114-50c5-4462-9c5d-569069b6014d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_1120b21f-fb78-4325-b62f-3f1c25b096b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilities_9b0af114-50c5-4462-9c5d-569069b6014d" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_1120b21f-fb78-4325-b62f-3f1c25b096b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_56de31d4-06e3-4379-a168-05d0cebaf315" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilities_9b0af114-50c5-4462-9c5d-569069b6014d" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_56de31d4-06e3-4379-a168-05d0cebaf315" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_d22e9795-8d4e-466c-9628-62fcbbfce9fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_b3d15cf7-9b68-4b0f-a3c1-f162693280d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssets_d22e9795-8d4e-466c-9628-62fcbbfce9fe" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_b3d15cf7-9b68-4b0f-a3c1-f162693280d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_eabb0475-352e-4acc-9726-da1bc958e569" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssets_d22e9795-8d4e-466c-9628-62fcbbfce9fe" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_eabb0475-352e-4acc-9726-da1bc958e569" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DerivativeInstrumentsNetCashReceivedPaidRelatedtoDerivativesDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#DerivativeInstrumentsNetCashReceivedPaidRelatedtoDerivativesDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/DerivativeInstrumentsNetCashReceivedPaidRelatedtoDerivativesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_ProceedsRepaymentsFromDerivativesContinuingOperations_95d2be4a-4a62-4927-ac51-13f0bd3d79c8" xlink:href="lbtya-20250930.xsd#lbtya_ProceedsRepaymentsFromDerivativesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_PaymentsForProceedsFromDerivativeInstrumentOperatingActivities_d257b628-eab0-4efc-8339-146242482598" xlink:href="lbtya-20250930.xsd#lbtya_PaymentsForProceedsFromDerivativeInstrumentOperatingActivities"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_ProceedsRepaymentsFromDerivativesContinuingOperations_95d2be4a-4a62-4927-ac51-13f0bd3d79c8" xlink:to="loc_lbtya_PaymentsForProceedsFromDerivativeInstrumentOperatingActivities_d257b628-eab0-4efc-8339-146242482598" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_8fe28251-0492-46fc-9aba-fdc83809cee4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_ProceedsRepaymentsFromDerivativesContinuingOperations_95d2be4a-4a62-4927-ac51-13f0bd3d79c8" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_8fe28251-0492-46fc-9aba-fdc83809cee4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_98383689-d511-426f-ab3f-f4bc7a44fae6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_ProceedsRepaymentsFromDerivativesContinuingOperations_95d2be4a-4a62-4927-ac51-13f0bd3d79c8" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_98383689-d511-426f-ab3f-f4bc7a44fae6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/FairValueMeasurementsAssetsandLiabilitiesatFairValueDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#FairValueMeasurementsAssetsandLiabilitiesatFairValueDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/FairValueMeasurementsAssetsandLiabilitiesatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_d2f20d3d-9800-4ee6-a634-664cb8f98bfc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_dc8b592d-4002-434b-89a3-2e214ecbdabf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_d2f20d3d-9800-4ee6-a634-664cb8f98bfc" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_dc8b592d-4002-434b-89a3-2e214ecbdabf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_bf770aaf-4268-4f5f-aed3-8f9bb3d3a1ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesFvNi"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_d2f20d3d-9800-4ee6-a634-664cb8f98bfc" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_bf770aaf-4268-4f5f-aed3-8f9bb3d3a1ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_fc09fb97-431f-43c8-b996-f14a60172fa7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_d564a211-d797-40d7-966e-f202b72170be" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_fc09fb97-431f-43c8-b996-f14a60172fa7" xlink:to="loc_us-gaap_DerivativeLiabilities_d564a211-d797-40d7-966e-f202b72170be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_cf402d27-a314-4e79-b50f-3c3a78a35327" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_3482bb1f-9fc0-4847-b458-2b334ddc4b5e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_cf402d27-a314-4e79-b50f-3c3a78a35327" xlink:to="loc_us-gaap_DerivativeAssets_3482bb1f-9fc0-4847-b458-2b334ddc4b5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_596c489f-e595-4d07-b6bc-8aa57ef8fe7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_cf402d27-a314-4e79-b50f-3c3a78a35327" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_596c489f-e595-4d07-b6bc-8aa57ef8fe7e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LonglivedAssetsPropertyandEquipmentNetDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#LonglivedAssetsPropertyandEquipmentNetDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/LonglivedAssetsPropertyandEquipmentNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_a50e2589-d71a-4c05-950f-bc1a5c7cc8f3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_0cc9df98-9c9c-4e99-bf16-1e42aa2e3686" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_a50e2589-d71a-4c05-950f-bc1a5c7cc8f3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_0cc9df98-9c9c-4e99-bf16-1e42aa2e3686" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_aee5f583-87db-46a0-8630-929159ac6b34" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_a50e2589-d71a-4c05-950f-bc1a5c7cc8f3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_aee5f583-87db-46a0-8630-929159ac6b34" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LonglivedAssetsIntangibleAssetsSubjecttoAmortizationNetDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#LonglivedAssetsIntangibleAssetsSubjecttoAmortizationNetDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/LonglivedAssetsIntangibleAssetsSubjecttoAmortizationNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_c272e140-f727-44df-aabd-802df1cdb36a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_67b487be-3331-4dea-a968-179bfa0294ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_c272e140-f727-44df-aabd-802df1cdb36a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_67b487be-3331-4dea-a968-179bfa0294ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_0f6b8ba6-e564-46b6-a55c-95282b422d59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_c272e140-f727-44df-aabd-802df1cdb36a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_0f6b8ba6-e564-46b6-a55c-95282b422d59" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtComponentsofDebtDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#DebtComponentsofDebtDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/DebtComponentsofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_ce436c41-b50e-43c3-909a-ee2bfbe78b3b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_293f142e-3f62-41d5-b26e-dfe887956497" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_ce436c41-b50e-43c3-909a-ee2bfbe78b3b" xlink:to="loc_us-gaap_LongTermDebt_293f142e-3f62-41d5-b26e-dfe887956497" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_318f35e9-0122-4d8c-abc2-f1172ae3fdb1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_ce436c41-b50e-43c3-909a-ee2bfbe78b3b" xlink:to="loc_us-gaap_FinanceLeaseLiability_318f35e9-0122-4d8c-abc2-f1172ae3fdb1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_427aedca-5c73-4f05-9d61-405f0d2c3d9d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_3c5b45b5-618e-46be-9aa9-ccce0a409d77" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_427aedca-5c73-4f05-9d61-405f0d2c3d9d" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_3c5b45b5-618e-46be-9aa9-ccce0a409d77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_2ec7df68-eae0-4794-bce5-09698d1501fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_427aedca-5c73-4f05-9d61-405f0d2c3d9d" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_2ec7df68-eae0-4794-bce5-09698d1501fc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtComponentsofDebtDetails_1" xlink:type="simple" xlink:href="lbtya-20250930.xsd#DebtComponentsofDebtDetails_1"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/DebtComponentsofDebtDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_ef7d5c2e-c656-4c47-a59c-2649bf65723f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_9c6cd3e3-6fbd-4844-946a-6ad34dba7ee2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_ef7d5c2e-c656-4c47-a59c-2649bf65723f" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_9c6cd3e3-6fbd-4844-946a-6ad34dba7ee2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_4892494b-e917-40cb-a4e1-885cf66b8e64" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_ef7d5c2e-c656-4c47-a59c-2649bf65723f" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_4892494b-e917-40cb-a4e1-885cf66b8e64" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtMaturitiesofDebtDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#DebtMaturitiesofDebtDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/DebtMaturitiesofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_LongTermDebtContractualMaturities_a9228f97-ea62-4cee-be9e-375687d0333c" xlink:href="lbtya-20250930.xsd#lbtya_LongTermDebtContractualMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_92c26575-1af6-4dda-b7ac-a726aed02bac" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_LongTermDebtContractualMaturities_a9228f97-ea62-4cee-be9e-375687d0333c" xlink:to="loc_us-gaap_LongTermDebtCurrent_92c26575-1af6-4dda-b7ac-a726aed02bac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_e2823129-11cb-421b-b287-1895014b23d7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_LongTermDebtContractualMaturities_a9228f97-ea62-4cee-be9e-375687d0333c" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_e2823129-11cb-421b-b287-1895014b23d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_99fed726-2082-4140-83b3-13e3e15d1487" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_ea401228-396f-4171-b0a3-4c35b09d32bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_99fed726-2082-4140-83b3-13e3e15d1487" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_ea401228-396f-4171-b0a3-4c35b09d32bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_e16c33a0-56c3-432c-a0fd-a82024c4aeee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_99fed726-2082-4140-83b3-13e3e15d1487" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_e16c33a0-56c3-432c-a0fd-a82024c4aeee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_e9682b20-49e4-4465-a45a-d030fb9a9fd3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_99fed726-2082-4140-83b3-13e3e15d1487" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_e9682b20-49e4-4465-a45a-d030fb9a9fd3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_12388509-5577-4f80-915c-b96bfec4bc9d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_99fed726-2082-4140-83b3-13e3e15d1487" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_12388509-5577-4f80-915c-b96bfec4bc9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_9d2e2878-0d0e-470c-abcd-ffd8761c49da" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_99fed726-2082-4140-83b3-13e3e15d1487" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_9d2e2878-0d0e-470c-abcd-ffd8761c49da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_f2e926b5-5e23-443c-ae4c-1b040cb546dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_99fed726-2082-4140-83b3-13e3e15d1487" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_f2e926b5-5e23-443c-ae4c-1b040cb546dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_1a04ecd4-d529-49f5-b8f2-11e91c654f6b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_99fed726-2082-4140-83b3-13e3e15d1487" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_1a04ecd4-d529-49f5-b8f2-11e91c654f6b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtMaturitiesofDebtDetails_1" xlink:type="simple" xlink:href="lbtya-20250930.xsd#DebtMaturitiesofDebtDetails_1"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/DebtMaturitiesofDebtDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_LongTermDebtContractualMaturities_da8454f3-2648-4f86-bafd-a35a82592512" xlink:href="lbtya-20250930.xsd#lbtya_LongTermDebtContractualMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_031a16c0-13c8-4d1e-a745-73b28be62cde" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_LongTermDebtContractualMaturities_da8454f3-2648-4f86-bafd-a35a82592512" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_031a16c0-13c8-4d1e-a745-73b28be62cde" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_d9b23ca0-8356-4cb0-92f4-dedaaa741c85" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_LongTermDebtContractualMaturities_da8454f3-2648-4f86-bafd-a35a82592512" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_d9b23ca0-8356-4cb0-92f4-dedaaa741c85" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesLeaseBalancesDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#LeasesLeaseBalancesDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/LeasesLeaseBalancesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_LeaseLiability_dd68dc57-0f54-48aa-81d2-d45446465824" xlink:href="lbtya-20250930.xsd#lbtya_LeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_d4127db3-6916-4b5c-8355-7dcc6b3d299e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_LeaseLiability_dd68dc57-0f54-48aa-81d2-d45446465824" xlink:to="loc_us-gaap_FinanceLeaseLiability_d4127db3-6916-4b5c-8355-7dcc6b3d299e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_9b3992ea-ec5c-4a91-ab40-b7862857d09f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_LeaseLiability_dd68dc57-0f54-48aa-81d2-d45446465824" xlink:to="loc_us-gaap_OperatingLeaseLiability_9b3992ea-ec5c-4a91-ab40-b7862857d09f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_LeaseAsset_596a721b-97dc-4109-86e8-e7f4307c169e" xlink:href="lbtya-20250930.xsd#lbtya_LeaseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_26815889-cd3a-45a6-85b6-d83d0815521b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_LeaseAsset_596a721b-97dc-4109-86e8-e7f4307c169e" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_26815889-cd3a-45a6-85b6-d83d0815521b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_0f5579a9-2e88-42ca-9fad-4ce889940259" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_LeaseAsset_596a721b-97dc-4109-86e8-e7f4307c169e" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_0f5579a9-2e88-42ca-9fad-4ce889940259" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesLeaseExpenseandCashOutflowsfromOperatingandFinanceLeasesDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#LeasesLeaseExpenseandCashOutflowsfromOperatingandFinanceLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/LeasesLeaseExpenseandCashOutflowsfromOperatingandFinanceLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_FinanceLeaseCost_68ef1066-9f35-4dfa-be10-6e1d9b6cc535" xlink:href="lbtya-20250930.xsd#lbtya_FinanceLeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_677bba67-ef82-4b2b-99a3-70449d4a7139" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_FinanceLeaseCost_68ef1066-9f35-4dfa-be10-6e1d9b6cc535" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_677bba67-ef82-4b2b-99a3-70449d4a7139" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_33a10a7d-5e78-4f80-b821-6b7daa0799b5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseInterestExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_FinanceLeaseCost_68ef1066-9f35-4dfa-be10-6e1d9b6cc535" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_33a10a7d-5e78-4f80-b821-6b7daa0799b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_OperatingandFinanceLeasePayments_821e8c4d-6646-4fc9-8910-2ba75bff82e3" xlink:href="lbtya-20250930.xsd#lbtya_OperatingandFinanceLeasePayments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasePayments_15e3ec5f-c8e2-4f50-8677-4ae59e27c976" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasePayments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_OperatingandFinanceLeasePayments_821e8c4d-6646-4fc9-8910-2ba75bff82e3" xlink:to="loc_us-gaap_OperatingLeasePayments_15e3ec5f-c8e2-4f50-8677-4ae59e27c976" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestPaymentOnLiability_b19e22fe-57b9-4c30-a53f-3e4fef7af02a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseInterestPaymentOnLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_OperatingandFinanceLeasePayments_821e8c4d-6646-4fc9-8910-2ba75bff82e3" xlink:to="loc_us-gaap_FinanceLeaseInterestPaymentOnLiability_b19e22fe-57b9-4c30-a53f-3e4fef7af02a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_47ae14cb-f636-4fba-8b73-563247d9a541" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lbtya_OperatingandFinanceLeasePayments_821e8c4d-6646-4fc9-8910-2ba75bff82e3" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_47ae14cb-f636-4fba-8b73-563247d9a541" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_008ab160-4963-4f65-b05d-f2a4be572212" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_f9e99d93-b8f2-42ad-a704-ab09cd7a82a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_008ab160-4963-4f65-b05d-f2a4be572212" xlink:to="loc_us-gaap_OperatingLeaseCost_f9e99d93-b8f2-42ad-a704-ab09cd7a82a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_5b15ea7f-9625-4672-9b99-f2a50f9105fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_008ab160-4963-4f65-b05d-f2a4be572212" xlink:to="loc_us-gaap_ShortTermLeaseCost_5b15ea7f-9625-4672-9b99-f2a50f9105fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_c5430c79-a8ac-40c2-b3f6-ec6858e8c781" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_008ab160-4963-4f65-b05d-f2a4be572212" xlink:to="loc_us-gaap_VariableLeaseCost_c5430c79-a8ac-40c2-b3f6-ec6858e8c781" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_FinanceLeaseCost_3cd4a717-52ca-4447-be16-8902b1e4b5c9" xlink:href="lbtya-20250930.xsd#lbtya_FinanceLeaseCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_008ab160-4963-4f65-b05d-f2a4be572212" xlink:to="loc_lbtya_FinanceLeaseCost_3cd4a717-52ca-4447-be16-8902b1e4b5c9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesMaturitiesofOperatingandFinancingLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#LeasesMaturitiesofOperatingandFinancingLeaseLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/LeasesMaturitiesofOperatingandFinancingLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_669258c5-7074-4a52-8b35-117668500eeb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_78592090-f572-49e3-bfe4-37950d7d4980" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_669258c5-7074-4a52-8b35-117668500eeb" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_78592090-f572-49e3-bfe4-37950d7d4980" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_1561bf69-dfdf-47c3-8018-fa842bdc9077" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_669258c5-7074-4a52-8b35-117668500eeb" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_1561bf69-dfdf-47c3-8018-fa842bdc9077" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d12ab286-887e-4461-9994-1e4c2edf36de" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_4c982c89-950e-402b-8a00-d3dd668b8c1b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d12ab286-887e-4461-9994-1e4c2edf36de" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_4c982c89-950e-402b-8a00-d3dd668b8c1b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_a503df89-70fe-40d3-a14c-66d5c6347b40" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d12ab286-887e-4461-9994-1e4c2edf36de" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_a503df89-70fe-40d3-a14c-66d5c6347b40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_de6abb86-a41c-49af-ac15-4889bba7aaf4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d12ab286-887e-4461-9994-1e4c2edf36de" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_de6abb86-a41c-49af-ac15-4889bba7aaf4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_8ceff602-a78c-4590-b732-abaaf25199e7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d12ab286-887e-4461-9994-1e4c2edf36de" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_8ceff602-a78c-4590-b732-abaaf25199e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_74d0e76a-7a73-477b-8164-495e0991b535" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d12ab286-887e-4461-9994-1e4c2edf36de" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_74d0e76a-7a73-477b-8164-495e0991b535" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_e194edab-c18f-438f-99a4-2a449702673d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d12ab286-887e-4461-9994-1e4c2edf36de" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_e194edab-c18f-438f-99a4-2a449702673d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_dccb8f8f-3318-4549-a13f-c378a74ed57a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d12ab286-887e-4461-9994-1e4c2edf36de" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_dccb8f8f-3318-4549-a13f-c378a74ed57a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_195c60a6-6276-45a1-99e7-6a61d4073f64" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_8523611e-0886-40ce-badf-4c60ccb371cc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_195c60a6-6276-45a1-99e7-6a61d4073f64" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_8523611e-0886-40ce-badf-4c60ccb371cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_e0e311d3-2354-4281-b003-b97c9c896be3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_195c60a6-6276-45a1-99e7-6a61d4073f64" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_e0e311d3-2354-4281-b003-b97c9c896be3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_ccfe22d0-0aa9-4628-afb4-b5e0454dcc6c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_195c60a6-6276-45a1-99e7-6a61d4073f64" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_ccfe22d0-0aa9-4628-afb4-b5e0454dcc6c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_c6f25d87-d515-4e21-b965-759e862e7ae7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_195c60a6-6276-45a1-99e7-6a61d4073f64" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_c6f25d87-d515-4e21-b965-759e862e7ae7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_8bdefb70-7827-4eef-b297-6aad65e86290" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_195c60a6-6276-45a1-99e7-6a61d4073f64" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_8bdefb70-7827-4eef-b297-6aad65e86290" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_0bef03b9-c16c-486a-97a2-0c2b1ba16814" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_195c60a6-6276-45a1-99e7-6a61d4073f64" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_0bef03b9-c16c-486a-97a2-0c2b1ba16814" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_f640748d-83c4-4352-a7c4-1f9821a2e300" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_195c60a6-6276-45a1-99e7-6a61d4073f64" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_f640748d-83c4-4352-a7c4-1f9821a2e300" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_3641d328-5d62-436e-94b3-6db80ff5e631" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_d73399b3-1ef2-4bcc-82b2-9c792fede902" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_3641d328-5d62-436e-94b3-6db80ff5e631" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_d73399b3-1ef2-4bcc-82b2-9c792fede902" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_9bb9abfc-ee3f-419f-99cc-f05682daccf9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_3641d328-5d62-436e-94b3-6db80ff5e631" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_9bb9abfc-ee3f-419f-99cc-f05682daccf9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesMaturitiesofOperatingandFinancingLeaseLiabilitiesDetails_1" xlink:type="simple" xlink:href="lbtya-20250930.xsd#LeasesMaturitiesofOperatingandFinancingLeaseLiabilitiesDetails_1"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/LeasesMaturitiesofOperatingandFinancingLeaseLiabilitiesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_c6f11304-548b-4aa5-8767-cb54934f5e81" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_4ad3f8c3-b832-4475-981e-2288127ad0f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_c6f11304-548b-4aa5-8767-cb54934f5e81" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_4ad3f8c3-b832-4475-981e-2288127ad0f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_07997f5e-391f-4e9a-9d9d-a0feb3065b22" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_c6f11304-548b-4aa5-8767-cb54934f5e81" xlink:to="loc_us-gaap_OperatingLeaseLiability_07997f5e-391f-4e9a-9d9d-a0feb3065b22" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47df1246-fa61-40f2-a728-6841f16ca7f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_e20da782-f358-477d-97b0-9dd34c5204a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47df1246-fa61-40f2-a728-6841f16ca7f4" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_e20da782-f358-477d-97b0-9dd34c5204a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_bd3b6b42-8ace-4a2d-bc9c-068dd7a7b1fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47df1246-fa61-40f2-a728-6841f16ca7f4" xlink:to="loc_us-gaap_FinanceLeaseLiability_bd3b6b42-8ace-4a2d-bc9c-068dd7a7b1fb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LossperShareEarningsorLossperShareDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#LossperShareEarningsorLossperShareDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/LossperShareEarningsorLossperShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_31cc2e34-8611-473d-a091-081484cbec28" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_ec65222f-b259-4762-95c1-4a31d96c1b36" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_31cc2e34-8611-473d-a091-081484cbec28" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_ec65222f-b259-4762-95c1-4a31d96c1b36" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_c91941e6-8e03-4e9a-8e54-5f6343ea8640" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_31cc2e34-8611-473d-a091-081484cbec28" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_c91941e6-8e03-4e9a-8e54-5f6343ea8640" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CommitmentsandContingenciesUnrecordedPurchaseObligationDetails" xlink:type="simple" xlink:href="lbtya-20250930.xsd#CommitmentsandContingenciesUnrecordedPurchaseObligationDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CommitmentsandContingenciesUnrecordedPurchaseObligationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_d66dba4b-4d1c-4283-b995-636689aa737d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_4e84b99b-0539-40a5-b070-92f850ffa7d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_d66dba4b-4d1c-4283-b995-636689aa737d" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_4e84b99b-0539-40a5-b070-92f850ffa7d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_e0823633-c19a-4800-ac4b-7116027913e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_d66dba4b-4d1c-4283-b995-636689aa737d" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_e0823633-c19a-4800-ac4b-7116027913e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_77792f8e-755a-48fa-863a-2bfc12a7cf9e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_d66dba4b-4d1c-4283-b995-636689aa737d" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_77792f8e-755a-48fa-863a-2bfc12a7cf9e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_45c2f099-d5bd-4023-b29e-d11337734191" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_d66dba4b-4d1c-4283-b995-636689aa737d" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_45c2f099-d5bd-4023-b29e-d11337734191" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary_63673bdf-161a-4a6f-9850-f7da6ad1de01" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_d66dba4b-4d1c-4283-b995-636689aa737d" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary_63673bdf-161a-4a6f-9850-f7da6ad1de01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_79b9ff93-9890-48f7-afc9-cff411c4a748" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_d66dba4b-4d1c-4283-b995-636689aa737d" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_79b9ff93-9890-48f7-afc9-cff411c4a748" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear_cddb0fbf-27e5-49b7-bf5e-073b9889dcdc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_d66dba4b-4d1c-4283-b995-636689aa737d" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear_cddb0fbf-27e5-49b7-bf5e-073b9889dcdc" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
