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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:b22bf3f3-ad2b-4ac2-bb52-9a8e1e87899b,g:6854b02e-b555-466e-90b3-cbf1c50cca02-->
<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-20250630.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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_cb6dd4e1-6ec1-4188-badc-6621c4deefbe" 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_080ce755-0f1e-4d26-8316-1796bf116469" 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_cb6dd4e1-6ec1-4188-badc-6621c4deefbe" xlink:to="loc_us-gaap_StockholdersEquity_080ce755-0f1e-4d26-8316-1796bf116469" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_7d59728e-0a45-4284-afed-f2d948d1c37c" 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_cb6dd4e1-6ec1-4188-badc-6621c4deefbe" xlink:to="loc_us-gaap_MinorityInterest_7d59728e-0a45-4284-afed-f2d948d1c37c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_a2b26e5b-4ada-45c4-9454-42c4a42ea192" 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_a4dce78b-949f-4069-8241-4dfce1609389" 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_a2b26e5b-4ada-45c4-9454-42c4a42ea192" xlink:to="loc_us-gaap_Liabilities_a4dce78b-949f-4069-8241-4dfce1609389" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_447b1aac-4b55-4048-9687-96ccb9d31ede" 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_a2b26e5b-4ada-45c4-9454-42c4a42ea192" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_447b1aac-4b55-4048-9687-96ccb9d31ede" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_d67f2624-88fc-471f-8d74-b6e423f66b15" 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_a2b26e5b-4ada-45c4-9454-42c4a42ea192" xlink:to="loc_us-gaap_CommitmentsAndContingencies_d67f2624-88fc-471f-8d74-b6e423f66b15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_313a142f-9af9-4e84-b441-0348f1252c18" 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_fda3319c-5c46-44e2-b373-a0a7b02f875c" xlink:href="lbtya-20250630.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_313a142f-9af9-4e84-b441-0348f1252c18" xlink:to="loc_lbtya_AccruedCapitalExpendituresCurrent_fda3319c-5c46-44e2-b373-a0a7b02f875c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_209d8fe4-7a3e-4cd9-8b0b-013df9d3b083" 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_313a142f-9af9-4e84-b441-0348f1252c18" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_209d8fe4-7a3e-4cd9-8b0b-013df9d3b083" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_6dc2373c-e753-4f60-a5b1-0dc0a8d13cb3" 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_313a142f-9af9-4e84-b441-0348f1252c18" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_6dc2373c-e753-4f60-a5b1-0dc0a8d13cb3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_488934ae-e942-40c8-89a0-22dc22a212a3" 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_313a142f-9af9-4e84-b441-0348f1252c18" xlink:to="loc_us-gaap_AccountsPayableCurrent_488934ae-e942-40c8-89a0-22dc22a212a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtCurrent_b25d90ae-7a30-42a3-8609-17f9f38a6485" 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_313a142f-9af9-4e84-b441-0348f1252c18" xlink:to="loc_us-gaap_DebtCurrent_b25d90ae-7a30-42a3-8609-17f9f38a6485" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_aa56cac4-975b-4221-8318-e1286e611d6f" 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_313a142f-9af9-4e84-b441-0348f1252c18" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_aa56cac4-975b-4221-8318-e1286e611d6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_b676b81f-ee74-4ab2-b1ff-16c4e8d07c8f" 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_71a8d969-34b0-4ba6-8f6a-610302bc73ce" 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_b676b81f-ee74-4ab2-b1ff-16c4e8d07c8f" xlink:to="loc_us-gaap_CommonStockValue_71a8d969-34b0-4ba6-8f6a-610302bc73ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_e14bcecc-f066-4d4d-88b0-92cc756b2c6b" 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_b676b81f-ee74-4ab2-b1ff-16c4e8d07c8f" xlink:to="loc_us-gaap_AdditionalPaidInCapital_e14bcecc-f066-4d4d-88b0-92cc756b2c6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_bec45536-f3a5-4af3-a674-2f8d32a8811a" 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_b676b81f-ee74-4ab2-b1ff-16c4e8d07c8f" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_bec45536-f3a5-4af3-a674-2f8d32a8811a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_90f5908e-508e-4c2a-8048-9e6181891a3f" 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_b676b81f-ee74-4ab2-b1ff-16c4e8d07c8f" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_90f5908e-508e-4c2a-8048-9e6181891a3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_0f87c053-aaed-4e2a-b655-cb814e6f034e" 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_b676b81f-ee74-4ab2-b1ff-16c4e8d07c8f" xlink:to="loc_us-gaap_TreasuryStockCommonValue_0f87c053-aaed-4e2a-b655-cb814e6f034e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_ae22a9b6-c8f9-4298-ba80-c9c8418af4bf" 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_b07c6e96-f645-4894-bc14-5e7110f36b35" 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_ae22a9b6-c8f9-4298-ba80-c9c8418af4bf" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_b07c6e96-f645-4894-bc14-5e7110f36b35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_cd9e44fc-271d-4b1e-be0d-9c7ee74f76ad" 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_ae22a9b6-c8f9-4298-ba80-c9c8418af4bf" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_cd9e44fc-271d-4b1e-be0d-9c7ee74f76ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_e5adc020-5c32-4565-87dd-fc29963a28a5" 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_ae22a9b6-c8f9-4298-ba80-c9c8418af4bf" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_e5adc020-5c32-4565-87dd-fc29963a28a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_9ef79d7a-0a47-44a9-a06d-86805bef600b" 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_ae22a9b6-c8f9-4298-ba80-c9c8418af4bf" xlink:to="loc_us-gaap_LiabilitiesCurrent_9ef79d7a-0a47-44a9-a06d-86805bef600b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_c4971e92-7a5b-482e-97b9-42d43756ce0e" 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_e9ae32d1-7372-4b0b-8330-486696d74644" 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_c4971e92-7a5b-482e-97b9-42d43756ce0e" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_e9ae32d1-7372-4b0b-8330-486696d74644" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_fbf556d2-8d64-4cf6-8137-a94e4754a2db" 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_c4971e92-7a5b-482e-97b9-42d43756ce0e" xlink:to="loc_us-gaap_Goodwill_fbf556d2-8d64-4cf6-8137-a94e4754a2db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_9823b5f6-543c-447a-809a-7631a052a36e" 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_c4971e92-7a5b-482e-97b9-42d43756ce0e" xlink:to="loc_us-gaap_AssetsCurrent_9823b5f6-543c-447a-809a-7631a052a36e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_5c4ff97f-cbb0-45dd-bd2c-c8c02c2a2caf" 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_c4971e92-7a5b-482e-97b9-42d43756ce0e" xlink:to="loc_us-gaap_LongTermInvestments_5c4ff97f-cbb0-45dd-bd2c-c8c02c2a2caf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_26cf3184-03dc-41a3-81bf-5207deee707f" 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_c4971e92-7a5b-482e-97b9-42d43756ce0e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_26cf3184-03dc-41a3-81bf-5207deee707f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet_4ed40a53-e5ac-4fab-8da3-7a8bc431ad02" 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_c4971e92-7a5b-482e-97b9-42d43756ce0e" xlink:to="loc_us-gaap_OtherIntangibleAssetsNet_4ed40a53-e5ac-4fab-8da3-7a8bc431ad02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_0e7f9247-5ecc-4479-8a17-2f2453a615bc" 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_9d3d84f7-0610-46a9-8cea-f74cccc73d66" 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_0e7f9247-5ecc-4479-8a17-2f2453a615bc" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_9d3d84f7-0610-46a9-8cea-f74cccc73d66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_bbbf241d-7fa0-4146-9177-0ae44644ce5a" 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_0e7f9247-5ecc-4479-8a17-2f2453a615bc" xlink:to="loc_us-gaap_OtherAssetsCurrent_bbbf241d-7fa0-4146-9177-0ae44644ce5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_f846458c-e7fa-4980-b575-ca12aad8d396" 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_0e7f9247-5ecc-4479-8a17-2f2453a615bc" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_f846458c-e7fa-4980-b575-ca12aad8d396" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_2f331089-1570-432a-a052-d7058bc0c05c" 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_0e7f9247-5ecc-4479-8a17-2f2453a615bc" xlink:to="loc_us-gaap_ShortTermInvestments_2f331089-1570-432a-a052-d7058bc0c05c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_64e3e321-50b2-442b-90ff-e87b4a843a75" 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_0e7f9247-5ecc-4479-8a17-2f2453a615bc" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_64e3e321-50b2-442b-90ff-e87b4a843a75" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSunaudited" xlink:type="simple" xlink:href="lbtya-20250630.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_ProfitLoss_3b2e3bc8-41ae-4daf-840c-f13b9ed11b15" 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_260e58dd-441d-4a36-9741-f5e11e5ae441" 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_3b2e3bc8-41ae-4daf-840c-f13b9ed11b15" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_260e58dd-441d-4a36-9741-f5e11e5ae441" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_1d82361b-a479-4ae5-b327-686e60f8911a" 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_3b2e3bc8-41ae-4daf-840c-f13b9ed11b15" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_1d82361b-a479-4ae5-b327-686e60f8911a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_859ca6ff-3b6a-4909-b1db-6ac4bd769653" 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_6dda20b0-4f33-47e9-9c43-1d7c3e196761" 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_859ca6ff-3b6a-4909-b1db-6ac4bd769653" xlink:to="loc_us-gaap_OperatingIncomeLoss_6dda20b0-4f33-47e9-9c43-1d7c3e196761" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_99483885-2d34-42c5-921b-08c1f23e46df" 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_859ca6ff-3b6a-4909-b1db-6ac4bd769653" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_99483885-2d34-42c5-921b-08c1f23e46df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_72694698-4eb9-4c0b-b0df-f4419d552431" 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_b43ae558-056e-482f-bb89-ebe1862cf83e" 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_72694698-4eb9-4c0b-b0df-f4419d552431" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_b43ae558-056e-482f-bb89-ebe1862cf83e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_b919f309-d6a5-456b-bd61-cd7a898b21cc" 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_72694698-4eb9-4c0b-b0df-f4419d552431" xlink:to="loc_us-gaap_ProfitLoss_b919f309-d6a5-456b-bd61-cd7a898b21cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_104dbae9-6fb9-443b-8eb0-8dbf812ac302" 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_cf27fc5e-5d1c-46c1-999e-63cd48e0deda" 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_104dbae9-6fb9-443b-8eb0-8dbf812ac302" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_cf27fc5e-5d1c-46c1-999e-63cd48e0deda" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_dc8bed7a-da12-4fcc-96bf-e766843f2583" 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_104dbae9-6fb9-443b-8eb0-8dbf812ac302" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_dc8bed7a-da12-4fcc-96bf-e766843f2583" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_1f5eca95-07b4-477d-8256-46692ef9e7ff" 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_055d10e0-6bcd-4284-bb62-bd0e6b2109bf" 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_1f5eca95-07b4-477d-8256-46692ef9e7ff" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_055d10e0-6bcd-4284-bb62-bd0e6b2109bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_022e09a7-5097-43d6-b712-8e2c09a5c8ed" 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_1f5eca95-07b4-477d-8256-46692ef9e7ff" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_022e09a7-5097-43d6-b712-8e2c09a5c8ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_e07ec13f-936f-433b-ae44-93e6f60b1a91" 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_6f8eaaf1-0061-4f71-97f6-d697c8c51a40" 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_e07ec13f-936f-433b-ae44-93e6f60b1a91" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_6f8eaaf1-0061-4f71-97f6-d697c8c51a40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_d6b8a7fc-2193-4c4c-ad79-502a10b498ca" 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_e07ec13f-936f-433b-ae44-93e6f60b1a91" xlink:to="loc_us-gaap_DepreciationAndAmortization_d6b8a7fc-2193-4c4c-ad79-502a10b498ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_825c7f3c-d00b-455e-8a61-80afb062e303" 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_e07ec13f-936f-433b-ae44-93e6f60b1a91" xlink:to="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_825c7f3c-d00b-455e-8a61-80afb062e303" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_eafe3e30-0cfd-4f91-8a13-4b6bde4b7526" 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_e07ec13f-936f-433b-ae44-93e6f60b1a91" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_eafe3e30-0cfd-4f91-8a13-4b6bde4b7526" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_e22c4c95-a1f7-4878-ab75-4c0aa3cc2c59" 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_e07ec13f-936f-433b-ae44-93e6f60b1a91" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_e22c4c95-a1f7-4878-ab75-4c0aa3cc2c59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_0f3f6240-a3dc-4721-bcc8-7589de6640a8" 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_da041154-cf85-47a2-aadd-afcd2b0db63d" 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_0f3f6240-a3dc-4721-bcc8-7589de6640a8" xlink:to="loc_us-gaap_InterestExpenseNonoperating_da041154-cf85-47a2-aadd-afcd2b0db63d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_829ee134-a57d-4913-bc6e-a7012980564f" 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_0f3f6240-a3dc-4721-bcc8-7589de6640a8" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_829ee134-a57d-4913-bc6e-a7012980564f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_eacd3723-7aef-4ab9-a49e-3def0db291fd" 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_0f3f6240-a3dc-4721-bcc8-7589de6640a8" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_eacd3723-7aef-4ab9-a49e-3def0db291fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsNet_7d7b2b30-1a1e-4ec3-93f8-067659722800" xlink:href="lbtya-20250630.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_0f3f6240-a3dc-4721-bcc8-7589de6640a8" xlink:to="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsNet_7d7b2b30-1a1e-4ec3-93f8-067659722800" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_85c1c463-ec76-4b4f-a2c8-20ef1297ea54" 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_0f3f6240-a3dc-4721-bcc8-7589de6640a8" xlink:to="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_85c1c463-ec76-4b4f-a2c8-20ef1297ea54" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_bf3ecd5b-4454-445d-8cfc-3690a4b870b3" 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_0f3f6240-a3dc-4721-bcc8-7589de6640a8" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_bf3ecd5b-4454-445d-8cfc-3690a4b870b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_c93f90fe-0eb3-4a20-ae85-d64dffcb0e6a" 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_0f3f6240-a3dc-4721-bcc8-7589de6640a8" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_c93f90fe-0eb3-4a20-ae85-d64dffcb0e6a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_ce0f12eb-d541-40b4-9138-a6448995e808" 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_0f3f6240-a3dc-4721-bcc8-7589de6640a8" xlink:to="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_ce0f12eb-d541-40b4-9138-a6448995e808" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_431ec04c-a0eb-4e82-9577-596455fe5c44" 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_1e2ead96-77bb-464a-a61f-5c2f464379e5" 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_431ec04c-a0eb-4e82-9577-596455fe5c44" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_1e2ead96-77bb-464a-a61f-5c2f464379e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_2de37522-2c75-436d-ba60-74cd088a9b46" 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_431ec04c-a0eb-4e82-9577-596455fe5c44" xlink:to="loc_us-gaap_CostsAndExpenses_2de37522-2c75-436d-ba60-74cd088a9b46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_27c51b43-bf91-4fc1-acfb-b4a098c73b5a" 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_99ab9056-aeb4-4382-b1c8-f8231708734f" 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_27c51b43-bf91-4fc1-acfb-b4a098c73b5a" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_99ab9056-aeb4-4382-b1c8-f8231708734f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_4722bb43-bacc-45bc-b957-d009b780c468" 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_27c51b43-bf91-4fc1-acfb-b4a098c73b5a" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_4722bb43-bacc-45bc-b957-d009b780c468" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGSLOSSunaudited" xlink:type="simple" xlink:href="lbtya-20250630.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_ComprehensiveIncomeNetOfTax_cd1d6798-d37f-4c04-8b08-647508931944" 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_b49f021d-16ae-4bc4-9275-7879b759eb79" 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_cd1d6798-d37f-4c04-8b08-647508931944" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_b49f021d-16ae-4bc4-9275-7879b759eb79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_90ede723-7d4c-4316-b880-ff1dd5e4d1bb" 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_cd1d6798-d37f-4c04-8b08-647508931944" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_90ede723-7d4c-4316-b880-ff1dd5e4d1bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_ff3e7c8d-3be2-4985-9612-c5c723e296bd" 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_61caba61-dfbc-48a2-ab2a-6ba9e01d348f" 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_ff3e7c8d-3be2-4985-9612-c5c723e296bd" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_61caba61-dfbc-48a2-ab2a-6ba9e01d348f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_6f826f1d-985c-4d9e-b0e0-4352a1c39e50" 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_ff3e7c8d-3be2-4985-9612-c5c723e296bd" xlink:to="loc_us-gaap_ProfitLoss_6f826f1d-985c-4d9e-b0e0-4352a1c39e50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_c6e6d1f8-b581-4b21-90ca-1d708ea6c95b" 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_OtherComprehensiveIncomeLossNetOfTaxDiscontinuedOperations_8f8b43c4-7045-461f-b9e5-8ad9d579ee81" xlink:href="lbtya-20250630.xsd#lbtya_OtherComprehensiveIncomeLossNetOfTaxDiscontinuedOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_c6e6d1f8-b581-4b21-90ca-1d708ea6c95b" xlink:to="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxDiscontinuedOperations_8f8b43c4-7045-461f-b9e5-8ad9d579ee81" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations_f261af47-f23c-4dd1-a03a-fcc8bf1368cb" xlink:href="lbtya-20250630.xsd#lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_c6e6d1f8-b581-4b21-90ca-1d708ea6c95b" xlink:to="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations_f261af47-f23c-4dd1-a03a-fcc8bf1368cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations_359bc999-d1e4-41e0-8835-2eb5e068e4b8" xlink:href="lbtya-20250630.xsd#lbtya_OtherComprehensiveIncomeLossNetOfTaxContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_ae72f9ce-3427-49c7-9453-31d8ba0463ab" 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_359bc999-d1e4-41e0-8835-2eb5e068e4b8" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_ae72f9ce-3427-49c7-9453-31d8ba0463ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_414fa99a-4fb4-493f-a620-c14b3b2c63b0" 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_359bc999-d1e4-41e0-8835-2eb5e068e4b8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_414fa99a-4fb4-493f-a620-c14b3b2c63b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_a30b8475-e7ac-465a-a18a-5a21b617f2b3" 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_359bc999-d1e4-41e0-8835-2eb5e068e4b8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_a30b8475-e7ac-465a-a18a-5a21b617f2b3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited" xlink:type="simple" xlink:href="lbtya-20250630.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_IncomeTaxesPaidNet_af7ca77e-9366-4785-bedf-a94a6215a2ee" 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_53444733-9729-44b7-b0ee-4796dfa28ea8" xlink:href="lbtya-20250630.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_af7ca77e-9366-4785-bedf-a94a6215a2ee" xlink:to="loc_lbtya_IncomeTaxesPaidContinuingOperations_53444733-9729-44b7-b0ee-4796dfa28ea8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_IncomeTaxesPaidDiscontinuedOperations_1f10dbcf-0187-4663-8a23-2437f019b6c8" xlink:href="lbtya-20250630.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_af7ca77e-9366-4785-bedf-a94a6215a2ee" xlink:to="loc_lbtya_IncomeTaxesPaidDiscontinuedOperations_1f10dbcf-0187-4663-8a23-2437f019b6c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_42c00c00-503a-4ef1-9126-8d741cc78cb9" 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_99451684-830b-4f8a-a46c-38e0552ecf15" 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_42c00c00-503a-4ef1-9126-8d741cc78cb9" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_99451684-830b-4f8a-a46c-38e0552ecf15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RepaymentsOfLongTermDebtOnCapitalFinancingFromVendors_caf02984-7b6d-40a5-bbdd-0387c27d21ad" xlink:href="lbtya-20250630.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_42c00c00-503a-4ef1-9126-8d741cc78cb9" xlink:to="loc_lbtya_RepaymentsOfLongTermDebtOnCapitalFinancingFromVendors_caf02984-7b6d-40a5-bbdd-0387c27d21ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_e48fec7d-9b5d-4b38-9b00-f40011554614" 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_42c00c00-503a-4ef1-9126-8d741cc78cb9" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_e48fec7d-9b5d-4b38-9b00-f40011554614" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RepaymentsOfLongTermDebtOnOperatingFinancingFromVendors_d484fa93-b6aa-40cb-a5b8-41228a1ea31e" xlink:href="lbtya-20250630.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_42c00c00-503a-4ef1-9126-8d741cc78cb9" xlink:to="loc_lbtya_RepaymentsOfLongTermDebtOnOperatingFinancingFromVendors_d484fa93-b6aa-40cb-a5b8-41228a1ea31e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_4564def4-ae6a-4bc9-b07a-edc7893ab674" 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_42c00c00-503a-4ef1-9126-8d741cc78cb9" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_4564def4-ae6a-4bc9-b07a-edc7893ab674" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_ProceedsFromOperatingRelatedVendorFinancingAdditions_459676dc-d8db-45ff-8cb1-16430a3d07f4" xlink:href="lbtya-20250630.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_42c00c00-503a-4ef1-9126-8d741cc78cb9" xlink:to="loc_lbtya_ProceedsFromOperatingRelatedVendorFinancingAdditions_459676dc-d8db-45ff-8cb1-16430a3d07f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_8d9f0938-f65b-4654-a579-a893e525a664" 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_42c00c00-503a-4ef1-9126-8d741cc78cb9" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_8d9f0938-f65b-4654-a579-a893e525a664" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_48a2d735-e03a-4e5f-b8ef-fbf750fab848" 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_42c00c00-503a-4ef1-9126-8d741cc78cb9" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_48a2d735-e03a-4e5f-b8ef-fbf750fab848" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_f7d59975-96a4-45b4-9dd9-6fc7a4fa7bba" 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_42c00c00-503a-4ef1-9126-8d741cc78cb9" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_f7d59975-96a4-45b4-9dd9-6fc7a4fa7bba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_290d520c-96e7-4d63-a973-0eed6e6aeaf1" 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_134fe6c6-23cf-4036-9f9b-89b9ab1edfaa" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_134fe6c6-23cf-4036-9f9b-89b9ab1edfaa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapital_30964c09-7f61-4cbb-8f82-419dbe03f222" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapital_30964c09-7f61-4cbb-8f82-419dbe03f222" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_20f4f0ee-34cc-41f5-a02c-bf0e4b4f02ab" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_20f4f0ee-34cc-41f5-a02c-bf0e4b4f02ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_92b9796f-47b7-423d-bf97-8dbd66154cc1" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_DepreciationAndAmortization_92b9796f-47b7-423d-bf97-8dbd66154cc1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_e0da0066-2c69-4ffc-8478-b59181642c4e" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_e0da0066-2c69-4ffc-8478-b59181642c4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_0caf3db2-15e6-4cf4-bc5c-1e56320269b7" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_0caf3db2-15e6-4cf4-bc5c-1e56320269b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_6652e40c-f134-46f5-a942-e0c116fba8a7" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_6652e40c-f134-46f5-a942-e0c116fba8a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_424b8f9d-ea5e-4335-a335-44be474c0c8b" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_424b8f9d-ea5e-4335-a335-44be474c0c8b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_845a2bb6-676c-420e-919d-4cd23c2ab056" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_845a2bb6-676c-420e-919d-4cd23c2ab056" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesofCertainInvestmentsandDebtNet_416d90e7-853f-40d1-a406-aa07b0eaeb69" xlink:href="lbtya-20250630.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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesofCertainInvestmentsandDebtNet_416d90e7-853f-40d1-a406-aa07b0eaeb69" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_5169d8f4-84d7-4872-9ae6-4d7e6d3cbe09" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_ShareBasedCompensation_5169d8f4-84d7-4872-9ae6-4d7e6d3cbe09" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_81d8dd6e-ca88-4aba-848d-61d5cdaa5f0b" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_81d8dd6e-ca88-4aba-848d-61d5cdaa5f0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_6ccfa35d-1d6d-4668-8e80-f3b4ddd3c308" 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_290d520c-96e7-4d63-a973-0eed6e6aeaf1" xlink:to="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_6ccfa35d-1d6d-4668-8e80-f3b4ddd3c308" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_7d801225-1290-4e57-aaf2-92301aa602d3" 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_95abf780-0bfb-4c48-bf91-9f605e2e5fdb" xlink:href="lbtya-20250630.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_7d801225-1290-4e57-aaf2-92301aa602d3" xlink:to="loc_lbtya_InterestPaidContinuingOperations_95abf780-0bfb-4c48-bf91-9f605e2e5fdb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidDiscontinuedOperations_9737ed16-bc72-4060-9827-2048537e29b8" 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_7d801225-1290-4e57-aaf2-92301aa602d3" xlink:to="loc_us-gaap_InterestPaidDiscontinuedOperations_9737ed16-bc72-4060-9827-2048537e29b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_847f5e0a-a854-409e-bcf4-defc16e67990" 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_4c5a6061-01b9-403c-8820-437797d289e2" 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_847f5e0a-a854-409e-bcf4-defc16e67990" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_4c5a6061-01b9-403c-8820-437797d289e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_15ac2ba3-f7f3-4d36-b1a2-6fadd9c8a83e" 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_847f5e0a-a854-409e-bcf4-defc16e67990" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_15ac2ba3-f7f3-4d36-b1a2-6fadd9c8a83e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_4e50ec35-6fba-4680-bd47-e0cff91c62cc" 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_847f5e0a-a854-409e-bcf4-defc16e67990" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_4e50ec35-6fba-4680-bd47-e0cff91c62cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_21ee7c81-a4f4-488b-913c-d2b9936878cb" 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_847f5e0a-a854-409e-bcf4-defc16e67990" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_21ee7c81-a4f4-488b-913c-d2b9936878cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3283929f-621d-42d0-b238-6e2efd502052" 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_40f94c10-ac32-4130-9e07-12519652a032" 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_3283929f-621d-42d0-b238-6e2efd502052" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_40f94c10-ac32-4130-9e07-12519652a032" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_a848af5a-10b8-410a-bbb5-08aa25f9a976" 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_3283929f-621d-42d0-b238-6e2efd502052" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_a848af5a-10b8-410a-bbb5-08aa25f9a976" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_33c3567c-4a8f-4953-85bb-f8ea8bc8101d" 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_bc97bec0-a7e4-43f1-8bed-638e19663150" 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_33c3567c-4a8f-4953-85bb-f8ea8bc8101d" xlink:to="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_bc97bec0-a7e4-43f1-8bed-638e19663150" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7ec5f8d5-9334-478b-a9e5-abadca10b6c2" 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_33c3567c-4a8f-4953-85bb-f8ea8bc8101d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_7ec5f8d5-9334-478b-a9e5-abadca10b6c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_b0a572c4-1dcb-4733-ae79-e83221483850" 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_361c6467-bef5-40dd-963b-762b14245528" 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_b0a572c4-1dcb-4733-ae79-e83221483850" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_361c6467-bef5-40dd-963b-762b14245528" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_03270fe8-63fe-4985-bf09-b7b7046dae31" 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_b0a572c4-1dcb-4733-ae79-e83221483850" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_03270fe8-63fe-4985-bf09-b7b7046dae31" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_61055359-3df7-4309-9f0e-a8e28ce8e216" 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_82007e64-6136-4955-86b7-ed121898a420" 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_61055359-3df7-4309-9f0e-a8e28ce8e216" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_82007e64-6136-4955-86b7-ed121898a420" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_39b0b34c-ca75-4550-b68e-373fd775bc79" 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_61055359-3df7-4309-9f0e-a8e28ce8e216" xlink:to="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_39b0b34c-ca75-4550-b68e-373fd775bc79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_2551e09e-6e37-443b-af63-6460cf74d28d" 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_61055359-3df7-4309-9f0e-a8e28ce8e216" xlink:to="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_2551e09e-6e37-443b-af63-6460cf74d28d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_2d37267a-adaa-4c0a-80e4-95b0c3418941" 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_61055359-3df7-4309-9f0e-a8e28ce8e216" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_2d37267a-adaa-4c0a-80e4-95b0c3418941" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfEquityMethodInvestments_d73e337c-8100-40d5-983e-cb233541f9f6" 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_61055359-3df7-4309-9f0e-a8e28ce8e216" xlink:to="loc_us-gaap_ProceedsFromSaleOfEquityMethodInvestments_d73e337c-8100-40d5-983e-cb233541f9f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations_4b39c839-62a5-4e96-bf5a-b620e5da7875" 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_4308d59d-1852-4c8e-b9c0-0b9765cb777b" 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_4b39c839-62a5-4e96-bf5a-b620e5da7875" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_4308d59d-1852-4c8e-b9c0-0b9765cb777b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_661899a3-4ab1-44b9-824d-d8d462a5f18a" 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_4b39c839-62a5-4e96-bf5a-b620e5da7875" xlink:to="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_661899a3-4ab1-44b9-824d-d8d462a5f18a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_35817bf3-208a-476e-93b3-3d919494b0f5" 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_4b39c839-62a5-4e96-bf5a-b620e5da7875" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_35817bf3-208a-476e-93b3-3d919494b0f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_9d902385-8051-4ded-8418-a61ebdfcf2ee" 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_4b39c839-62a5-4e96-bf5a-b620e5da7875" xlink:to="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_9d902385-8051-4ded-8418-a61ebdfcf2ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6ec5269d-b019-4d16-bc94-4659762428e5" 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_c0ceef97-c0fb-4008-9ded-39d5db4420b2" 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_6ec5269d-b019-4d16-bc94-4659762428e5" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_c0ceef97-c0fb-4008-9ded-39d5db4420b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_feb5d8ef-9489-450f-bbdc-a54a1b844ad6" 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_6ec5269d-b019-4d16-bc94-4659762428e5" xlink:to="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_feb5d8ef-9489-450f-bbdc-a54a1b844ad6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_4fab2259-d56f-4b3b-a4b3-e3acf54d1719" 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_98f79a62-e852-4e78-a452-4307582f6912" 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_4fab2259-d56f-4b3b-a4b3-e3acf54d1719" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations_98f79a62-e852-4e78-a452-4307582f6912" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_dde9f8de-d81f-47fb-8d1b-fe99315d484a" 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_4fab2259-d56f-4b3b-a4b3-e3acf54d1719" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_dde9f8de-d81f-47fb-8d1b-fe99315d484a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited_1" xlink:type="simple" xlink:href="lbtya-20250630.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_6e114b74-431a-41bf-9e90-c85ca7aec979" 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_cc79e8fc-c114-4484-9f91-4fb0c26bd8ff" 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_6e114b74-431a-41bf-9e90-c85ca7aec979" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_cc79e8fc-c114-4484-9f91-4fb0c26bd8ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5b62aa8f-de43-4b0e-98d8-1c71c93d7f6c" 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_6e114b74-431a-41bf-9e90-c85ca7aec979" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5b62aa8f-de43-4b0e-98d8-1c71c93d7f6c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_923957ef-3a88-4afc-b86d-5a1c43686c05" 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_6e114b74-431a-41bf-9e90-c85ca7aec979" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_923957ef-3a88-4afc-b86d-5a1c43686c05" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_36c28c22-fc8b-48d7-a4d6-2304d5e0d415" 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_6e114b74-431a-41bf-9e90-c85ca7aec979" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_36c28c22-fc8b-48d7-a4d6-2304d5e0d415" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunauditedParenthetical" xlink:type="simple" xlink:href="lbtya-20250630.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_bfa47edd-f338-48ba-aed0-9c07cf2872db" 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_8e3649c4-911d-4908-bc6e-075ff4fa12c4" 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_bfa47edd-f338-48ba-aed0-9c07cf2872db" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_8e3649c4-911d-4908-bc6e-075ff4fa12c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_a2e4d9d0-682c-42fe-80fd-50a6325125dc" xlink:href="lbtya-20250630.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_bfa47edd-f338-48ba-aed0-9c07cf2872db" xlink:to="loc_lbtya_RestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_a2e4d9d0-682c-42fe-80fd-50a6325125dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_562335fc-e207-4b8a-9607-62e9d8e69574" 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_bfa47edd-f338-48ba-aed0-9c07cf2872db" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_562335fc-e207-4b8a-9607-62e9d8e69574" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/AcquisitionsandDispositionsIntercompanyRevenueandExpensesDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_beb07c82-ea0a-466d-a327-261da1d8581d" 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_a4b963d9-d0b7-4e09-bc35-06b7849dcfa1" 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_beb07c82-ea0a-466d-a327-261da1d8581d" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_a4b963d9-d0b7-4e09-bc35-06b7849dcfa1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_06b500d8-bdba-4626-842a-f0566a1d56c3" 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_beb07c82-ea0a-466d-a327-261da1d8581d" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_06b500d8-bdba-4626-842a-f0566a1d56c3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/InvestmentsInvestmentsDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_b40b0b70-02e4-439f-99dc-dd57c7232dec" 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_54f0ab0b-65ed-4832-afb1-f9826b1fff08" 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_b40b0b70-02e4-439f-99dc-dd57c7232dec" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_54f0ab0b-65ed-4832-afb1-f9826b1fff08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent_cc796198-04bb-42af-b5eb-f55581aa24fb" 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_b40b0b70-02e4-439f-99dc-dd57c7232dec" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent_cc796198-04bb-42af-b5eb-f55581aa24fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue_ae4626a8-a421-40f7-9583-4ae16884feae" 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_b40b0b70-02e4-439f-99dc-dd57c7232dec" xlink:to="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue_ae4626a8-a421-40f7-9583-4ae16884feae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_5c40472d-a98c-418f-aa20-af28c90b46e5" 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_89f620fc-05bd-4038-b1f5-9a7d6d4beb77" 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_5c40472d-a98c-418f-aa20-af28c90b46e5" xlink:to="loc_us-gaap_ShortTermInvestments_89f620fc-05bd-4038-b1f5-9a7d6d4beb77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_2e6e918f-b21b-4c40-bc9d-962616274e6c" 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_5c40472d-a98c-418f-aa20-af28c90b46e5" xlink:to="loc_us-gaap_LongTermInvestments_2e6e918f-b21b-4c40-bc9d-962616274e6c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DerivativeInstrumentsFairValuesofDerivativeAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_b67010ee-14db-4e0e-a870-fc706264a51b" 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_de35e36a-8b96-4a77-bfea-4260ac6d1674" 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_b67010ee-14db-4e0e-a870-fc706264a51b" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_de35e36a-8b96-4a77-bfea-4260ac6d1674" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_2eaf3409-a476-4bdd-a3ca-9961e385d34a" 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_b67010ee-14db-4e0e-a870-fc706264a51b" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_2eaf3409-a476-4bdd-a3ca-9961e385d34a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_5a7c6514-6424-40ce-a404-f5bff3946d54" 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_617503c2-cd7e-442f-8b44-bbc6d9af7418" 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_5a7c6514-6424-40ce-a404-f5bff3946d54" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_617503c2-cd7e-442f-8b44-bbc6d9af7418" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_0b876838-56ad-4357-838c-a776d52cd985" 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_5a7c6514-6424-40ce-a404-f5bff3946d54" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_0b876838-56ad-4357-838c-a776d52cd985" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DerivativeInstrumentsNetCashReceivedPaidRelatedtoDerivativesDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_ffa8b10b-363c-456c-b679-fb34e8507104" xlink:href="lbtya-20250630.xsd#lbtya_ProceedsRepaymentsFromDerivativesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_PaymentsForProceedsFromDerivativeInstrumentOperatingActivities_1ecd3986-a1e2-49e8-b42f-796b60553f01" xlink:href="lbtya-20250630.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_ffa8b10b-363c-456c-b679-fb34e8507104" xlink:to="loc_lbtya_PaymentsForProceedsFromDerivativeInstrumentOperatingActivities_1ecd3986-a1e2-49e8-b42f-796b60553f01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_900f24cd-b318-4d86-ab7e-faab8e466803" 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_ffa8b10b-363c-456c-b679-fb34e8507104" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_900f24cd-b318-4d86-ab7e-faab8e466803" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_3a0cea26-3c59-4756-b2fe-c8e9ba9d460d" 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_ffa8b10b-363c-456c-b679-fb34e8507104" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_3a0cea26-3c59-4756-b2fe-c8e9ba9d460d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/FairValueMeasurementsAssetsandLiabilitiesatFairValueDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_AssetsFairValueDisclosure_4a8108e6-2e56-4f46-8237-700a8085bb6c" 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_129d56fc-4167-4fad-bcad-7f7ebc065aef" 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_4a8108e6-2e56-4f46-8237-700a8085bb6c" xlink:to="loc_us-gaap_DerivativeAssets_129d56fc-4167-4fad-bcad-7f7ebc065aef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_1cecbf54-3a99-4646-a7e7-00a1e45af635" 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_4a8108e6-2e56-4f46-8237-700a8085bb6c" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_1cecbf54-3a99-4646-a7e7-00a1e45af635" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_36ef585b-4612-4030-802d-ad7190671ffd" 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_0c4a9019-4f36-4f06-901a-1180dc5b81f5" 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_36ef585b-4612-4030-802d-ad7190671ffd" xlink:to="loc_us-gaap_DerivativeLiabilities_0c4a9019-4f36-4f06-901a-1180dc5b81f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_62716056-a3d9-4c2a-a5e8-85ad2bf7bf4c" 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_8dc6887d-669a-4808-9ebf-96a311b0abe4" 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_62716056-a3d9-4c2a-a5e8-85ad2bf7bf4c" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_8dc6887d-669a-4808-9ebf-96a311b0abe4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_f029e212-c58e-4c82-a231-db7f4c453582" 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_62716056-a3d9-4c2a-a5e8-85ad2bf7bf4c" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_f029e212-c58e-4c82-a231-db7f4c453582" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LonglivedAssetsPropertyandEquipmentNetDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_26ab5bba-91ff-4ff6-a6d5-65f03a6ced2f" 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_6ebaaa2f-a6fc-4ed7-8a0f-9ac4379208e5" 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_26ab5bba-91ff-4ff6-a6d5-65f03a6ced2f" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_6ebaaa2f-a6fc-4ed7-8a0f-9ac4379208e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_fb595db6-7903-4a58-909a-62e93d305992" 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_26ab5bba-91ff-4ff6-a6d5-65f03a6ced2f" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_fb595db6-7903-4a58-909a-62e93d305992" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LonglivedAssetsIntangibleAssetsSubjecttoAmortizationNetDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_874db201-6816-4d18-86f1-3bced47f3e99" 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_815cb037-1aaa-4e52-be1e-ec77a44d3644" 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_874db201-6816-4d18-86f1-3bced47f3e99" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_815cb037-1aaa-4e52-be1e-ec77a44d3644" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_dfc6a4f3-0ffd-4678-95f7-dece37bc661b" 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_874db201-6816-4d18-86f1-3bced47f3e99" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_dfc6a4f3-0ffd-4678-95f7-dece37bc661b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtComponentsofDebtDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_LongTermDebt_0824f53a-70be-4264-ab1a-e86c78b5bf50" 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_7e76d7d3-9506-46a0-8c12-bf3a89b8a375" 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_0824f53a-70be-4264-ab1a-e86c78b5bf50" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_7e76d7d3-9506-46a0-8c12-bf3a89b8a375" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_72529644-0c62-40fa-8d53-2515bfd2882b" 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_0824f53a-70be-4264-ab1a-e86c78b5bf50" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_72529644-0c62-40fa-8d53-2515bfd2882b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_85d0ea35-8ff0-4f8b-919a-5bab6060f60a" 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_8172638c-0ace-4edb-8d75-7c836dd8d19c" 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_85d0ea35-8ff0-4f8b-919a-5bab6060f60a" xlink:to="loc_us-gaap_LongTermDebt_8172638c-0ace-4edb-8d75-7c836dd8d19c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_6d3a383d-7560-4c23-9e01-2cf3a0dc49e8" 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_85d0ea35-8ff0-4f8b-919a-5bab6060f60a" xlink:to="loc_us-gaap_FinanceLeaseLiability_6d3a383d-7560-4c23-9e01-2cf3a0dc49e8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtComponentsofDebtDetails_1" xlink:type="simple" xlink:href="lbtya-20250630.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_700f0306-e283-4a77-a47d-c10100710b2a" 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_65a9b9b1-3706-43f6-867e-479eea0e1574" 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_700f0306-e283-4a77-a47d-c10100710b2a" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_65a9b9b1-3706-43f6-867e-479eea0e1574" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_d51a971f-4151-4f52-9c51-cee5f04ac241" 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_700f0306-e283-4a77-a47d-c10100710b2a" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_d51a971f-4151-4f52-9c51-cee5f04ac241" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtMaturitiesofDebtDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_407ccc64-1af9-4f6d-a714-c64ed32701ea" xlink:href="lbtya-20250630.xsd#lbtya_LongtermDebtContractualMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_585bb413-fd5e-4fca-9c29-104e092b2e65" 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_407ccc64-1af9-4f6d-a714-c64ed32701ea" xlink:to="loc_us-gaap_LongTermDebtCurrent_585bb413-fd5e-4fca-9c29-104e092b2e65" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_7627f4c0-484a-4507-b52d-4a4ded2adc76" 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_407ccc64-1af9-4f6d-a714-c64ed32701ea" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_7627f4c0-484a-4507-b52d-4a4ded2adc76" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_673296cb-d7bd-435e-ba84-11bdc7def4c0" 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_0afd871b-914a-4d4d-a306-544c3bd7103e" 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_673296cb-d7bd-435e-ba84-11bdc7def4c0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_0afd871b-914a-4d4d-a306-544c3bd7103e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_941f385a-dd94-41e4-bf28-6adb3bc30187" 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_673296cb-d7bd-435e-ba84-11bdc7def4c0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_941f385a-dd94-41e4-bf28-6adb3bc30187" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_09ae66f0-9033-4e75-a67a-9f7aa88ef9b2" 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_673296cb-d7bd-435e-ba84-11bdc7def4c0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_09ae66f0-9033-4e75-a67a-9f7aa88ef9b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_357fc94b-74f0-48f7-a27e-b45bb4c101e0" 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_673296cb-d7bd-435e-ba84-11bdc7def4c0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_357fc94b-74f0-48f7-a27e-b45bb4c101e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_f0e1aed0-909e-4557-b272-b993b8f9081d" 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_673296cb-d7bd-435e-ba84-11bdc7def4c0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_f0e1aed0-909e-4557-b272-b993b8f9081d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_071ddb48-dcf0-4da4-8f6d-31fd2431f904" 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_673296cb-d7bd-435e-ba84-11bdc7def4c0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_071ddb48-dcf0-4da4-8f6d-31fd2431f904" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_6e6a17bd-e7a8-40ad-a234-09e407ce7e2a" 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_673296cb-d7bd-435e-ba84-11bdc7def4c0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_6e6a17bd-e7a8-40ad-a234-09e407ce7e2a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtMaturitiesofDebtDetails_1" xlink:type="simple" xlink:href="lbtya-20250630.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_22062fd1-3e02-4227-a296-55eca407659b" xlink:href="lbtya-20250630.xsd#lbtya_LongtermDebtContractualMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_8257e78d-b416-4e69-9cd5-eb2179443b6c" 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_22062fd1-3e02-4227-a296-55eca407659b" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_8257e78d-b416-4e69-9cd5-eb2179443b6c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_0ea47fe7-de52-45d0-bf70-35dade199e93" 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_22062fd1-3e02-4227-a296-55eca407659b" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_0ea47fe7-de52-45d0-bf70-35dade199e93" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesLeaseBalancesDetails" xlink:type="simple" xlink:href="lbtya-20250630.xsd#LeasesLeaseBalancesDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/LeasesLeaseBalancesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_LeaseAsset_6d5e48e0-380d-41e5-ae7f-99e4db607674" xlink:href="lbtya-20250630.xsd#lbtya_LeaseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_73e62b1f-c4d7-4bac-a618-aae47f25ded8" 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_6d5e48e0-380d-41e5-ae7f-99e4db607674" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_73e62b1f-c4d7-4bac-a618-aae47f25ded8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_bfaa48c5-8cf0-450e-975f-a149c6025de2" 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_6d5e48e0-380d-41e5-ae7f-99e4db607674" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_bfaa48c5-8cf0-450e-975f-a149c6025de2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_LeaseLiability_8fee84f7-d6aa-49e4-bfb5-8bcb821f7be2" xlink:href="lbtya-20250630.xsd#lbtya_LeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_77036638-f799-4864-8de3-ba2ffa2255ad" 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_8fee84f7-d6aa-49e4-bfb5-8bcb821f7be2" xlink:to="loc_us-gaap_FinanceLeaseLiability_77036638-f799-4864-8de3-ba2ffa2255ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_00d7f273-ae70-4574-b8ff-a1ee1a767e24" 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_8fee84f7-d6aa-49e4-bfb5-8bcb821f7be2" xlink:to="loc_us-gaap_OperatingLeaseLiability_00d7f273-ae70-4574-b8ff-a1ee1a767e24" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesLeaseExpenseandCashOutflowsfromOperatingandFinanceLeasesDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_a84558a5-9e14-4d5e-8e41-a029f33e5d6e" xlink:href="lbtya-20250630.xsd#lbtya_FinanceLeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_73fa8178-8069-49c6-9a8d-5788e0280ada" 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_a84558a5-9e14-4d5e-8e41-a029f33e5d6e" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_73fa8178-8069-49c6-9a8d-5788e0280ada" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_8e3e3352-d9b3-4a63-a6fb-06203f93e97b" 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_a84558a5-9e14-4d5e-8e41-a029f33e5d6e" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_8e3e3352-d9b3-4a63-a6fb-06203f93e97b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_9ac1e005-30c6-4238-bf07-8f34b39d913a" 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_3b402266-55c8-486d-a30d-36bb279d279b" 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_9ac1e005-30c6-4238-bf07-8f34b39d913a" xlink:to="loc_us-gaap_OperatingLeaseCost_3b402266-55c8-486d-a30d-36bb279d279b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_09b2527e-50b6-4949-83b8-4ccefdff6435" 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_9ac1e005-30c6-4238-bf07-8f34b39d913a" xlink:to="loc_us-gaap_ShortTermLeaseCost_09b2527e-50b6-4949-83b8-4ccefdff6435" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_3425f6a0-5155-428e-a80b-8363bf98cf28" 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_9ac1e005-30c6-4238-bf07-8f34b39d913a" xlink:to="loc_us-gaap_VariableLeaseCost_3425f6a0-5155-428e-a80b-8363bf98cf28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_FinanceLeaseCost_f93a50b4-0195-4301-8fb6-1108815d3b59" xlink:href="lbtya-20250630.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_9ac1e005-30c6-4238-bf07-8f34b39d913a" xlink:to="loc_lbtya_FinanceLeaseCost_f93a50b4-0195-4301-8fb6-1108815d3b59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_OperatingandFinanceLeasePayments_db056f8b-fa4d-45ba-b9fa-d01638c9bcc5" xlink:href="lbtya-20250630.xsd#lbtya_OperatingandFinanceLeasePayments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasePayments_1f60792e-ccb4-4289-9740-3dd2403a3a2d" 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_db056f8b-fa4d-45ba-b9fa-d01638c9bcc5" xlink:to="loc_us-gaap_OperatingLeasePayments_1f60792e-ccb4-4289-9740-3dd2403a3a2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestPaymentOnLiability_ac322952-c687-422b-83bb-73ce02a87c2b" 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_db056f8b-fa4d-45ba-b9fa-d01638c9bcc5" xlink:to="loc_us-gaap_FinanceLeaseInterestPaymentOnLiability_ac322952-c687-422b-83bb-73ce02a87c2b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_d638186b-8cee-4ce0-9e96-b79660e2117d" 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_db056f8b-fa4d-45ba-b9fa-d01638c9bcc5" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_d638186b-8cee-4ce0-9e96-b79660e2117d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesMaturitiesofOperatingandFinancingLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_de1bf005-8e5a-42f4-a2bc-60aa116f8c03" 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_eb2f09e7-fa82-4821-9ba2-10c61a7a9abe" 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_de1bf005-8e5a-42f4-a2bc-60aa116f8c03" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_eb2f09e7-fa82-4821-9ba2-10c61a7a9abe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_f94c096c-4f8c-43ad-a736-04c7a4c2f363" 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_de1bf005-8e5a-42f4-a2bc-60aa116f8c03" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_f94c096c-4f8c-43ad-a736-04c7a4c2f363" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_2bef8bf6-a4c0-47f9-800e-5f2906349e8a" 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_4a0661f5-ff50-467e-80ac-a75449e13c32" 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_2bef8bf6-a4c0-47f9-800e-5f2906349e8a" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_4a0661f5-ff50-467e-80ac-a75449e13c32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_ac48669d-487a-4a5a-a65e-72042587bd95" 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_2bef8bf6-a4c0-47f9-800e-5f2906349e8a" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_ac48669d-487a-4a5a-a65e-72042587bd95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_67a57cb3-c89a-46e4-99e1-24be9780d68d" 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_47d57096-7b2f-4e58-a20b-f8e9d2c07f5a" 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_67a57cb3-c89a-46e4-99e1-24be9780d68d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_47d57096-7b2f-4e58-a20b-f8e9d2c07f5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_5e45de9b-e21a-4b4c-9372-0902a4cf1974" 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_67a57cb3-c89a-46e4-99e1-24be9780d68d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_5e45de9b-e21a-4b4c-9372-0902a4cf1974" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_7b993c70-944d-4f19-a9c6-b24b53ac9b32" 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_67a57cb3-c89a-46e4-99e1-24be9780d68d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_7b993c70-944d-4f19-a9c6-b24b53ac9b32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_0953cd78-ea70-418a-ad2d-c0e68792d7ee" 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_67a57cb3-c89a-46e4-99e1-24be9780d68d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_0953cd78-ea70-418a-ad2d-c0e68792d7ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_935868dc-2595-4b11-a9d7-97c593876c4e" 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_67a57cb3-c89a-46e4-99e1-24be9780d68d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_935868dc-2595-4b11-a9d7-97c593876c4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_24797266-de46-49eb-9751-5b8e1354b18c" 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_67a57cb3-c89a-46e4-99e1-24be9780d68d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_24797266-de46-49eb-9751-5b8e1354b18c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_550f126d-229c-4431-abc7-b1b53aa65197" 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_67a57cb3-c89a-46e4-99e1-24be9780d68d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_550f126d-229c-4431-abc7-b1b53aa65197" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_864a2501-9d2e-433d-abc6-e8b3156771c0" 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_2ebaa550-34dd-4b6f-bbcd-72171dc1bb03" 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_864a2501-9d2e-433d-abc6-e8b3156771c0" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_2ebaa550-34dd-4b6f-bbcd-72171dc1bb03" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_b1e0c79f-ee39-4b65-8a6d-da240d1524c5" 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_864a2501-9d2e-433d-abc6-e8b3156771c0" xlink:to="loc_us-gaap_OperatingLeaseLiability_b1e0c79f-ee39-4b65-8a6d-da240d1524c5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesMaturitiesofOperatingandFinancingLeaseLiabilitiesDetails_1" xlink:type="simple" xlink:href="lbtya-20250630.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_cf9cd216-b755-499d-9b6e-80b4c4444604" 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_df55df90-2ff0-4c3a-925f-936ebd7ed379" 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_cf9cd216-b755-499d-9b6e-80b4c4444604" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_df55df90-2ff0-4c3a-925f-936ebd7ed379" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_1e9aadf2-7e9c-42ac-839f-c904e3b04e7a" 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_cf9cd216-b755-499d-9b6e-80b4c4444604" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_1e9aadf2-7e9c-42ac-839f-c904e3b04e7a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_e318bb95-eb4b-4ce9-9be4-647bdad79d30" 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_cf9cd216-b755-499d-9b6e-80b4c4444604" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_e318bb95-eb4b-4ce9-9be4-647bdad79d30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_0e557284-314f-4eac-83df-401baaedc403" 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_cf9cd216-b755-499d-9b6e-80b4c4444604" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_0e557284-314f-4eac-83df-401baaedc403" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_cabb1a42-1533-468f-b43f-4db866e74c84" 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_cf9cd216-b755-499d-9b6e-80b4c4444604" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_cabb1a42-1533-468f-b43f-4db866e74c84" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_15cd509f-d873-453c-ba06-93937d11c6f2" 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_cf9cd216-b755-499d-9b6e-80b4c4444604" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_15cd509f-d873-453c-ba06-93937d11c6f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_19f5c9b2-e5db-42a4-b25e-86b1c310f79e" 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_cf9cd216-b755-499d-9b6e-80b4c4444604" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_19f5c9b2-e5db-42a4-b25e-86b1c310f79e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_4e7f6f62-4e85-45f4-8dd7-c16087ad2ac8" 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_132dc384-a98a-4de5-b4e1-00a9620a813e" 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_4e7f6f62-4e85-45f4-8dd7-c16087ad2ac8" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_132dc384-a98a-4de5-b4e1-00a9620a813e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_76c2af17-ed76-432a-bdfc-5d8ca383c65d" 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_4e7f6f62-4e85-45f4-8dd7-c16087ad2ac8" xlink:to="loc_us-gaap_FinanceLeaseLiability_76c2af17-ed76-432a-bdfc-5d8ca383c65d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/EarningsLossperShareEarningsorLossperShareDetails" xlink:type="simple" xlink:href="lbtya-20250630.xsd#EarningsLossperShareEarningsorLossperShareDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/EarningsLossperShareEarningsorLossperShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_96d49d6c-4aac-42d2-a126-a669feb8f237" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_c6fe1c4a-4b53-4a60-b234-5d7aa08a24f5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_96d49d6c-4aac-42d2-a126-a669feb8f237" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_c6fe1c4a-4b53-4a60-b234-5d7aa08a24f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_a49190aa-62bb-4633-9f32-a1fb3e62f3a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_96d49d6c-4aac-42d2-a126-a669feb8f237" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_a49190aa-62bb-4633-9f32-a1fb3e62f3a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_7e45e08d-cd01-40ca-8e34-217b87ff88d1" 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_8f0e672c-c315-4887-847e-bf669bf7d821" 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_7e45e08d-cd01-40ca-8e34-217b87ff88d1" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_8f0e672c-c315-4887-847e-bf669bf7d821" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_0193f189-92ba-41c4-a610-e68a4a46d0c7" 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_7e45e08d-cd01-40ca-8e34-217b87ff88d1" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_0193f189-92ba-41c4-a610-e68a4a46d0c7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CommitmentsandContingenciesUnrecordedPurchaseObligationDetails" xlink:type="simple" xlink:href="lbtya-20250630.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_8b9b0e6e-0b65-435a-a102-d8dc6a087ebb" 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_8d62821b-327b-4f3d-acc3-9afe8f80a833" 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_8b9b0e6e-0b65-435a-a102-d8dc6a087ebb" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_8d62821b-327b-4f3d-acc3-9afe8f80a833" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_9533cc41-a88e-45d4-aa3e-24ef1fb44bd0" 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_8b9b0e6e-0b65-435a-a102-d8dc6a087ebb" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_9533cc41-a88e-45d4-aa3e-24ef1fb44bd0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_6f2a289e-88d0-4f87-aaaf-9be91f39888c" 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_8b9b0e6e-0b65-435a-a102-d8dc6a087ebb" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_6f2a289e-88d0-4f87-aaaf-9be91f39888c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_fdf7704d-8605-4c97-8725-7de28b34abc4" 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_8b9b0e6e-0b65-435a-a102-d8dc6a087ebb" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_fdf7704d-8605-4c97-8725-7de28b34abc4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary_98882475-ed32-434c-8dc2-0a2e48c20cbd" 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_8b9b0e6e-0b65-435a-a102-d8dc6a087ebb" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary_98882475-ed32-434c-8dc2-0a2e48c20cbd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_8c3a1733-2afe-42c3-88a5-fdc621fb1625" 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_8b9b0e6e-0b65-435a-a102-d8dc6a087ebb" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_8c3a1733-2afe-42c3-88a5-fdc621fb1625" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear_35362876-dc55-4527-bc3f-e7889e4a6422" 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_8b9b0e6e-0b65-435a-a102-d8dc6a087ebb" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear_35362876-dc55-4527-bc3f-e7889e4a6422" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
