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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019fc945-d1b7-786e-8f98-01332d8f968f,g:cd598470-4b30-4433-812f-1c67caf99c29-->
<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:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="lbtya-20260930.xsd#CONDENSEDCONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_01a1538a-a93a-7046-be20-b6ca2528d0bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_01a1538a-a93a-7be6-9cc0-efaf1369ea66" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a1538a-a93a-7046-be20-b6ca2528d0bf" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_01a1538a-a93a-7be6-9cc0-efaf1369ea66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_01a1538a-a93a-7944-bc8e-2f6feed016ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a1538a-a93a-7046-be20-b6ca2528d0bf" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_01a1538a-a93a-7944-bc8e-2f6feed016ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_01a1538a-a93a-75bd-9bc1-114f462dbc4a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a1538a-a93a-7046-be20-b6ca2528d0bf" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_01a1538a-a93a-75bd-9bc1-114f462dbc4a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_01a1538a-a93a-7abc-899c-ea8a655a0c03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a1538a-a93a-7046-be20-b6ca2528d0bf" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_01a1538a-a93a-7abc-899c-ea8a655a0c03" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_01a1538a-a93a-7a44-8459-18a94d4d6b43" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a1538a-a93a-7046-be20-b6ca2528d0bf" xlink:to="loc_us-gaap_OtherAssetsCurrent_01a1538a-a93a-7a44-8459-18a94d4d6b43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_01a15389-cf6d-7c86-823d-1865d087eca8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_01a15389-cf6d-7ef4-89fc-1ab59743efeb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a15389-cf6d-7c86-823d-1865d087eca8" xlink:to="loc_us-gaap_AssetsCurrent_01a15389-cf6d-7ef4-89fc-1ab59743efeb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_01a15389-cf6d-7bfa-bde1-6940fec8221a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a15389-cf6d-7c86-823d-1865d087eca8" xlink:to="loc_us-gaap_LongTermInvestments_01a15389-cf6d-7bfa-bde1-6940fec8221a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_01a15389-cf6d-7bef-a811-5b961299a75e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a15389-cf6d-7c86-823d-1865d087eca8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_01a15389-cf6d-7bef-a811-5b961299a75e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_01a15389-cf6d-7fd9-927e-9cd17c36d1a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a15389-cf6d-7c86-823d-1865d087eca8" xlink:to="loc_us-gaap_Goodwill_01a15389-cf6d-7fd9-927e-9cd17c36d1a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet_01a15389-cf6d-7c08-9529-bf65083efd80" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherIntangibleAssetsNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a15389-cf6d-7c86-823d-1865d087eca8" xlink:to="loc_us-gaap_OtherIntangibleAssetsNet_01a15389-cf6d-7c08-9529-bf65083efd80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_01a15389-cf6d-702f-8afa-7717cf17453f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a15389-cf6d-7c86-823d-1865d087eca8" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_01a15389-cf6d-702f-8afa-7717cf17453f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fc945-d540-7edf-9a14-40b6dba50676" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019fc945-d540-76cb-9cec-5f5e47217124" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fc945-d540-7edf-9a14-40b6dba50676" xlink:to="loc_us-gaap_Liabilities_019fc945-d540-76cb-9cec-5f5e47217124" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019fc945-d540-79b7-a99e-4d2ead10d5f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fc945-d540-7edf-9a14-40b6dba50676" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019fc945-d540-79b7-a99e-4d2ead10d5f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fc945-d540-75d1-8c61-4b14e2214bf7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fc945-d540-7edf-9a14-40b6dba50676" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fc945-d540-75d1-8c61-4b14e2214bf7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_01a1538c-07bc-71d0-aea2-8298d99020c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_01a1538c-07bc-771e-a00b-5d5e4de818e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a1538c-07bc-71d0-aea2-8298d99020c2" xlink:to="loc_us-gaap_AccountsPayableCurrent_01a1538c-07bc-771e-a00b-5d5e4de818e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_01a1538c-07bc-7801-b290-02ec45462ecd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a1538c-07bc-71d0-aea2-8298d99020c2" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_01a1538c-07bc-7801-b290-02ec45462ecd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtCurrent_01a1538c-07bc-72b1-af22-25a70bbd2778" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a1538c-07bc-71d0-aea2-8298d99020c2" xlink:to="loc_us-gaap_DebtCurrent_01a1538c-07bc-72b1-af22-25a70bbd2778" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_AccruedCapitalExpendituresCurrent_01a1538c-07bc-72a7-ae7e-a5db6bfa4542" xlink:href="lbtya-20260930.xsd#lbtya_AccruedCapitalExpendituresCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a1538c-07bc-71d0-aea2-8298d99020c2" xlink:to="loc_lbtya_AccruedCapitalExpendituresCurrent_01a1538c-07bc-72a7-ae7e-a5db6bfa4542" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_01a1538c-07bc-7d97-92b6-8082ddbae081" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a1538c-07bc-71d0-aea2-8298d99020c2" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_01a1538c-07bc-7d97-92b6-8082ddbae081" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_01a1538c-07bc-7bf1-b2eb-291b3c3067d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a1538c-07bc-71d0-aea2-8298d99020c2" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_01a1538c-07bc-7bf1-b2eb-291b3c3067d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_01a1538c-07bc-75c4-a4f1-7e182c7bc956" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a1538c-07bc-71d0-aea2-8298d99020c2" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_01a1538c-07bc-75c4-a4f1-7e182c7bc956" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fc945-d540-7fcd-bc2a-e41e39da0c50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019fc945-d540-7dd5-983d-0a053682b69c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fc945-d540-7fcd-bc2a-e41e39da0c50" xlink:to="loc_us-gaap_CommonStockValue_019fc945-d540-7dd5-983d-0a053682b69c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019fc945-d540-78a8-9b03-26e2736b3dd7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fc945-d540-7fcd-bc2a-e41e39da0c50" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019fc945-d540-78a8-9b03-26e2736b3dd7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fc945-d540-7021-9d67-4a78e40e178b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fc945-d540-7fcd-bc2a-e41e39da0c50" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fc945-d540-7021-9d67-4a78e40e178b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fc945-d540-7897-80c3-bb38b0ba4dfd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fc945-d540-7fcd-bc2a-e41e39da0c50" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fc945-d540-7897-80c3-bb38b0ba4dfd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_019fc945-d540-7eaa-b01c-3e658d271cda" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fc945-d540-7fcd-bc2a-e41e39da0c50" xlink:to="loc_us-gaap_TreasuryStockCommonValue_019fc945-d540-7eaa-b01c-3e658d271cda" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_01a1538b-90e1-766e-8acc-f936c1e1aea9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_01a1538b-90e1-7e09-bb48-76e1f22a62b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a1538b-90e1-766e-8acc-f936c1e1aea9" xlink:to="loc_us-gaap_LiabilitiesCurrent_01a1538b-90e1-7e09-bb48-76e1f22a62b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a1538b-90e1-7f1f-bae9-55ad8ce5f712" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a1538b-90e1-766e-8acc-f936c1e1aea9" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a1538b-90e1-7f1f-bae9-55ad8ce5f712" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_01a1538b-90e1-74e3-a10e-c39d6f781344" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a1538b-90e1-766e-8acc-f936c1e1aea9" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_01a1538b-90e1-74e3-a10e-c39d6f781344" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_01a1538b-90e1-7f9f-b94b-8678e8fedc59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a1538b-90e1-766e-8acc-f936c1e1aea9" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_01a1538b-90e1-7f9f-b94b-8678e8fedc59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_01a1538b-90e1-76dc-addd-3c171aca4aac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_01a1538b-90e1-766e-8acc-f936c1e1aea9" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_01a1538b-90e1-76dc-addd-3c171aca4aac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fc945-d540-7bb1-9caa-5f07f6b386c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fc945-d540-7570-a33d-2264c0913f74" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fc945-d540-7bb1-9caa-5f07f6b386c2" xlink:to="loc_us-gaap_StockholdersEquity_019fc945-d540-7570-a33d-2264c0913f74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_019fc945-d540-7f22-8e74-7e48b1d9d99b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fc945-d540-7bb1-9caa-5f07f6b386c2" xlink:to="loc_us-gaap_MinorityInterest_019fc945-d540-7f22-8e74-7e48b1d9d99b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="lbtya-20260930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019fc945-d540-7e20-b8e1-dbf6201af996" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fc945-d540-7cf3-bdb1-397ee24a1ce4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_019fc945-d540-7e20-b8e1-dbf6201af996" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fc945-d540-7cf3-bdb1-397ee24a1ce4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019fc945-d540-771d-81dd-9aacd26aedea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_019fc945-d540-7e20-b8e1-dbf6201af996" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019fc945-d540-771d-81dd-9aacd26aedea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_01a15392-705f-78af-99e0-464f8bca76ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_01a15392-705f-7035-a20a-3d6dd809df59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_01a15392-705f-78af-99e0-464f8bca76ff" xlink:to="loc_us-gaap_InterestExpenseNonoperating_01a15392-705f-7035-a20a-3d6dd809df59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_01a15392-705f-7efa-9326-3ee3197732b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_01a15392-705f-78af-99e0-464f8bca76ff" xlink:to="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_01a15392-705f-7efa-9326-3ee3197732b1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_01a15392-705f-773b-af11-72668c3685c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_01a15392-705f-78af-99e0-464f8bca76ff" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_01a15392-705f-773b-af11-72668c3685c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsNet_01a15392-705f-7d5d-ba16-ae0c2554d169" xlink:href="lbtya-20260930.xsd#lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_01a15392-705f-78af-99e0-464f8bca76ff" xlink:to="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsNet_01a15392-705f-7d5d-ba16-ae0c2554d169" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_01a15392-705f-7c75-80a0-763f9b463823" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_01a15392-705f-78af-99e0-464f8bca76ff" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_01a15392-705f-7c75-80a0-763f9b463823" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_GainLossOnBusinessAcquisition_01a15392-705f-7480-bdaf-575b7ee8fa24" xlink:href="lbtya-20260930.xsd#lbtya_GainLossOnBusinessAcquisition"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_01a15392-705f-78af-99e0-464f8bca76ff" xlink:to="loc_lbtya_GainLossOnBusinessAcquisition_01a15392-705f-7480-bdaf-575b7ee8fa24" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_01a15392-705f-73b1-987e-45f6b2b74a0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_01a15392-705f-78af-99e0-464f8bca76ff" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_01a15392-705f-73b1-987e-45f6b2b74a0d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_019fc945-d540-7b4a-899b-ab7f8d56bdef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019fc945-d540-7f46-9dcd-473df3243e12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019fc945-d540-7b4a-899b-ab7f8d56bdef" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019fc945-d540-7f46-9dcd-473df3243e12" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_019fc945-d540-7625-a498-eb2cb2e55017" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019fc945-d540-7b4a-899b-ab7f8d56bdef" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_019fc945-d540-7625-a498-eb2cb2e55017" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fc945-d540-76d3-8ee0-13153a25fda5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019fc945-d540-7b4a-899b-ab7f8d56bdef" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fc945-d540-76d3-8ee0-13153a25fda5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_019fc945-d540-7e5f-9780-b10adbbfd595" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019fc945-d540-7b4a-899b-ab7f8d56bdef" xlink:to="loc_us-gaap_DepreciationAndAmortization_019fc945-d540-7e5f-9780-b10adbbfd595" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_019fc945-d540-70f0-a35f-5b2f040f628a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringSettlementAndImpairmentProvisions"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019fc945-d540-7b4a-899b-ab7f8d56bdef" xlink:to="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_019fc945-d540-70f0-a35f-5b2f040f628a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019fc945-d540-7833-93b4-162626c5752d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fc945-d540-773f-b5e3-62a2d5fcf552" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019fc945-d540-7833-93b4-162626c5752d" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fc945-d540-773f-b5e3-62a2d5fcf552" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_019fc945-d540-7a33-92c4-35bcc0f299e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019fc945-d540-7833-93b4-162626c5752d" xlink:to="loc_us-gaap_CostsAndExpenses_019fc945-d540-7a33-92c4-35bcc0f299e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fc945-d540-73ec-985b-86ebadc0e4a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_019fc945-d540-7397-8dcc-cf5852b25d53" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fc945-d540-73ec-985b-86ebadc0e4a5" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_019fc945-d540-7397-8dcc-cf5852b25d53" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019fc945-d540-7f70-96b0-7c06a11801e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fc945-d540-73ec-985b-86ebadc0e4a5" xlink:to="loc_us-gaap_ProfitLoss_019fc945-d540-7f70-96b0-7c06a11801e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0eabf-28b7-7c41-be76-5260fe86a418" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_01a0eabf-28b7-78e2-a273-4e0f32b0d7db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0eabf-28b7-7c41-be76-5260fe86a418" xlink:to="loc_us-gaap_OperatingIncomeLoss_01a0eabf-28b7-78e2-a273-4e0f32b0d7db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_01a0eabf-28b7-7fa8-b24f-8a97a5cccfa6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a0eabf-28b7-7c41-be76-5260fe86a418" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_01a0eabf-28b7-7fa8-b24f-8a97a5cccfa6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGSLOSS" xlink:type="simple" xlink:href="lbtya-20260930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGSLOSS"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGSLOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019fc945-d540-7dab-8854-8a97fbb0e542" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019fc945-d540-7fc3-a8fa-c35df9b14dd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019fc945-d540-7dab-8854-8a97fbb0e542" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019fc945-d540-7fc3-a8fa-c35df9b14dd3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019fc945-d540-7c5c-be70-77f9e837f2dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019fc945-d540-7dab-8854-8a97fbb0e542" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019fc945-d540-7c5c-be70-77f9e837f2dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019fc945-d540-7ea0-a66b-41634d779d61" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019fc945-d540-79aa-9ebe-291acf89c9aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019fc945-d540-7ea0-a66b-41634d779d61" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019fc945-d540-79aa-9ebe-291acf89c9aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019fc945-d540-7fb7-82de-a7ad98f37530" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019fc945-d540-7ea0-a66b-41634d779d61" xlink:to="loc_us-gaap_ProfitLoss_019fc945-d540-7fb7-82de-a7ad98f37530" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019fc945-d540-77c6-bb99-ff6f2577d2a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_019fc945-d540-7ead-823f-06e0420e2818" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019fc945-d540-77c6-bb99-ff6f2577d2a2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_019fc945-d540-7ead-823f-06e0420e2818" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_019fc945-d540-7733-aae4-569da901fb7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019fc945-d540-77c6-bb99-ff6f2577d2a2" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_019fc945-d540-7733-aae4-569da901fb7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_019fc945-d540-75ee-b0a7-7c2aafe4f676" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019fc945-d540-77c6-bb99-ff6f2577d2a2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_019fc945-d540-75ee-b0a7-7c2aafe4f676" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="lbtya-20260930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_01a153c5-9b5f-7e4f-a0a5-bc42adb559ad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_us-gaap_ProfitLoss_01a153c5-9b5f-7e4f-a0a5-bc42adb559ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_01a153c5-9b5f-7db1-8245-fe132fc4fdf4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_us-gaap_ShareBasedCompensation_01a153c5-9b5f-7db1-8245-fe132fc4fdf4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_01a153c5-9b5f-7ab5-9089-b6dfbb4c4586" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_us-gaap_DepreciationAndAmortization_01a153c5-9b5f-7ab5-9089-b6dfbb4c4586" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_01a153c5-9b5f-7891-83ac-a2fb4e992b81" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringSettlementAndImpairmentProvisions"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_01a153c5-9b5f-7891-83ac-a2fb4e992b81" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_01a153c5-9b5f-7750-a2fa-31cdf69cf6a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_01a153c5-9b5f-7750-a2fa-31cdf69cf6a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_01a153c5-9b5f-7f37-88d5-bd8442873668" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_01a153c5-9b5f-7f37-88d5-bd8442873668" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_01a153c5-9b5f-74e7-9787-d849372d1a40" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_01a153c5-9b5f-74e7-9787-d849372d1a40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsNet_01a153c5-9b5f-7703-849f-21d183a5ac4d" xlink:href="lbtya-20260930.xsd#lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsNet"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_lbtya_RealizedAndUnrealizedGainsLossesDueToChangesInFairValuesOfCertainInvestmentsNet_01a153c5-9b5f-7703-849f-21d183a5ac4d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_01a153c5-9b5f-7912-8e69-7b9e0ba68278" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_01a153c5-9b5f-7912-8e69-7b9e0ba68278" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a153c5-9b5f-7ea0-ac80-a62ed1f54fc8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a153c5-9b5f-7ea0-ac80-a62ed1f54fc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsRevenuesAndGainsRecognized_01a153c5-9b5f-7523-8a5a-31c90dd4d05c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsRevenuesAndGainsRecognized"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsRevenuesAndGainsRecognized_01a153c5-9b5f-7523-8a5a-31c90dd4d05c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapital_01a153c5-9b5f-7940-946b-b1466f2ca763" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOperatingCapital"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a153c5-9b5f-7496-9228-d3ce9aff691d" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapital_01a153c5-9b5f-7940-946b-b1466f2ca763" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fc945-d540-7c71-8396-fbaa441f0bd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fc945-d540-776a-869b-054a1a106fd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fc945-d540-7c71-8396-fbaa441f0bd3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fc945-d540-776a-869b-054a1a106fd3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fc945-d540-7e4b-a692-c157ee445c52" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fc945-d540-7c71-8396-fbaa441f0bd3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fc945-d540-7e4b-a692-c157ee445c52" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fc945-d540-75bc-ade1-16c0edad0bb0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fc945-d540-7c71-8396-fbaa441f0bd3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fc945-d540-75bc-ade1-16c0edad0bb0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019fc945-d540-7a88-9514-3e6a443d6515" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fc945-d540-7c71-8396-fbaa441f0bd3" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019fc945-d540-7a88-9514-3e6a443d6515" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a15463-8319-7608-ab1c-5807993d6ab8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_01a15463-8319-7e6e-903b-b3e0d36ab6bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a15463-8319-7608-ab1c-5807993d6ab8" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_01a15463-8319-7e6e-903b-b3e0d36ab6bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_01a15463-8319-7f9c-9cb3-e4200edc9336" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a15463-8319-7608-ab1c-5807993d6ab8" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_01a15463-8319-7f9c-9cb3-e4200edc9336" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfEquityMethodInvestments_01a15463-8319-7511-81d6-ae7572bb0ab6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfEquityMethodInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a15463-8319-7608-ab1c-5807993d6ab8" xlink:to="loc_us-gaap_ProceedsFromSaleOfEquityMethodInvestments_01a15463-8319-7511-81d6-ae7572bb0ab6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_01a15463-8319-7d27-ade0-faf6b8bac1ee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a15463-8319-7608-ab1c-5807993d6ab8" xlink:to="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_01a15463-8319-7d27-ade0-faf6b8bac1ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_01a15463-8319-7f0f-99ef-d409ab08c88b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a15463-8319-7608-ab1c-5807993d6ab8" xlink:to="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_01a15463-8319-7f0f-99ef-d409ab08c88b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01a15463-8319-7948-b14b-c760e4a65cd5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a15463-8319-7608-ab1c-5807993d6ab8" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_01a15463-8319-7948-b14b-c760e4a65cd5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_01a16392-8b01-7ecb-b967-776e7b5c3bcb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_01a16392-8b01-7ecb-b967-776e7b5c3bcb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_ProceedsFromOperatingRelatedVendorFinancingAdditions_01a16392-8b01-7630-aa92-c71b41f90809" xlink:href="lbtya-20260930.xsd#lbtya_ProceedsFromOperatingRelatedVendorFinancingAdditions"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:to="loc_lbtya_ProceedsFromOperatingRelatedVendorFinancingAdditions_01a16392-8b01-7630-aa92-c71b41f90809" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_01a16392-8b01-7a9a-a02e-f5f07aa19a6f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_01a16392-8b01-7a9a-a02e-f5f07aa19a6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RepaymentsOfLongTermDebtOnOperatingFinancingFromVendors_01a16392-8b01-7685-bb1f-5628945325c3" xlink:href="lbtya-20260930.xsd#lbtya_RepaymentsOfLongTermDebtOnOperatingFinancingFromVendors"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:to="loc_lbtya_RepaymentsOfLongTermDebtOnOperatingFinancingFromVendors_01a16392-8b01-7685-bb1f-5628945325c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_RepaymentsOfLongTermDebtOnCapitalFinancingFromVendors_01a16392-8b01-7b6f-baa3-782da754e733" xlink:href="lbtya-20260930.xsd#lbtya_RepaymentsOfLongTermDebtOnCapitalFinancingFromVendors"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:to="loc_lbtya_RepaymentsOfLongTermDebtOnCapitalFinancingFromVendors_01a16392-8b01-7b6f-baa3-782da754e733" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_01a16392-8b01-7bae-afbe-f1dcb0a99c15" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_01a16392-8b01-7bae-afbe-f1dcb0a99c15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_01a16392-8b01-7393-b2b0-1cbd02cab898" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToMinorityShareholders"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_01a16392-8b01-7393-b2b0-1cbd02cab898" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_01a16392-8b01-7306-a047-3f558fe0b4aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfFinancingCosts"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:to="loc_us-gaap_PaymentsOfFinancingCosts_01a16392-8b01-7306-a047-3f558fe0b4aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_01a16392-8b01-740e-baba-002f6516a5f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_01a16392-8b01-740e-baba-002f6516a5f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_01a16392-8b01-772c-ba14-424b57c2dfca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_01a16392-8b01-772c-ba14-424b57c2dfca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_01a16392-8b01-74e5-a6b8-e62f1750a1fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a16392-8b01-78e7-a66f-638ef15ca3d1" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_01a16392-8b01-74e5-a6b8-e62f1750a1fc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSParenthetical" xlink:type="simple" xlink:href="lbtya-20260930.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSParenthetical"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019fc945-d540-7757-a7e0-8a045d4d308e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fc945-d540-7278-a1b1-89d41160f9ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019fc945-d540-7757-a7e0-8a045d4d308e" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fc945-d540-7278-a1b1-89d41160f9ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_019fc945-d540-7bb4-a28f-ced5180b6d0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019fc945-d540-7757-a7e0-8a045d4d308e" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_019fc945-d540-7bb4-a28f-ced5180b6d0e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_01a183a1-5ee8-7f93-bbc4-251b66bafe2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019fc945-d540-7757-a7e0-8a045d4d308e" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_01a183a1-5ee8-7f93-bbc4-251b66bafe2b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/AcquisitionsandDispositionsFairValueofConsiderationTransferredDetails" xlink:type="simple" xlink:href="lbtya-20260930.xsd#AcquisitionsandDispositionsFairValueofConsiderationTransferredDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/AcquisitionsandDispositionsFairValueofConsiderationTransferredDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_01a12116-d384-7936-81a9-7680f3ebf791" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred_01a12116-d384-7ba5-898f-b6acff72d5e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_01a12116-d384-7936-81a9-7680f3ebf791" xlink:to="loc_us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred_01a12116-d384-7ba5-898f-b6acff72d5e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_01a12116-d384-7977-8716-098593419c8b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_01a12116-d384-7936-81a9-7680f3ebf791" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_01a12116-d384-7977-8716-098593419c8b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_BusinessCombinationPresentValueOfUnfavorableComponentOfFutureRoyaltyPayments_01a12116-d384-7bbd-b8a9-2fde8877034c" xlink:href="lbtya-20260930.xsd#lbtya_BusinessCombinationPresentValueOfUnfavorableComponentOfFutureRoyaltyPayments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_01a12116-d384-7936-81a9-7680f3ebf791" xlink:to="loc_lbtya_BusinessCombinationPresentValueOfUnfavorableComponentOfFutureRoyaltyPayments_01a12116-d384-7bbd-b8a9-2fde8877034c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/AcquisitionsandDispositionsPurchasePriceandOpeningBalanceSheetDetails" xlink:type="simple" xlink:href="lbtya-20260930.xsd#AcquisitionsandDispositionsPurchasePriceandOpeningBalanceSheetDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/AcquisitionsandDispositionsPurchasePriceandOpeningBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_01a16459-9c2b-7193-889f-2406a0e3636a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_01a16459-9c2b-7193-889f-2406a0e3636a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_01a16459-9c2b-71ad-9fa3-34d3b6f47bb3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_01a16459-9c2b-71ad-9fa3-34d3b6f47bb3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_BusinessCombinationRecognizedAssetAcquiredCurrentAssetsHeldForSale_01a16459-9c2b-7371-8616-36d156a22c8b" xlink:href="lbtya-20260930.xsd#lbtya_BusinessCombinationRecognizedAssetAcquiredCurrentAssetsHeldForSale"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_lbtya_BusinessCombinationRecognizedAssetAcquiredCurrentAssetsHeldForSale_01a16459-9c2b-7371-8616-36d156a22c8b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_01a16459-9c2b-7ecc-bde3-fdfbc59fdbf3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_01a16459-9c2b-7ecc-bde3-fdfbc59fdbf3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_01a16459-9c2b-70b5-a85e-4388b50cb1d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_01a16459-9c2b-70b5-a85e-4388b50cb1d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_01a16459-9c2b-7576-a90b-cb510fc5b046" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_us-gaap_Goodwill_01a16459-9c2b-7576-a90b-cb510fc5b046" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_01a16459-9c2b-7937-8b3e-526ac83e4904" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_01a16459-9c2b-7937-8b3e-526ac83e4904" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_01a16459-9c2b-7769-9370-7d32286ffb03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_01a16459-9c2b-7769-9370-7d32286ffb03" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_BusinessCombinationRecognizedLiabilityAssumedDebtAndFinanceLeaseObligationsCurrent_01a16459-9c2b-74c2-8c79-7f2eca743750" xlink:href="lbtya-20260930.xsd#lbtya_BusinessCombinationRecognizedLiabilityAssumedDebtAndFinanceLeaseObligationsCurrent"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_lbtya_BusinessCombinationRecognizedLiabilityAssumedDebtAndFinanceLeaseObligationsCurrent_01a16459-9c2b-74c2-8c79-7f2eca743750" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_BusinessCombinationRecognizedLiabilityAssumedCurrentLiabilitiesHeldForSale_01a16459-9c2b-7db2-a128-dd029683ab5e" xlink:href="lbtya-20260930.xsd#lbtya_BusinessCombinationRecognizedLiabilityAssumedCurrentLiabilitiesHeldForSale"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_lbtya_BusinessCombinationRecognizedLiabilityAssumedCurrentLiabilitiesHeldForSale_01a16459-9c2b-7db2-a128-dd029683ab5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_01a16459-9c2b-7e83-a523-2a24e64cc59c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_01a16459-9c2b-7e83-a523-2a24e64cc59c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_BusinessCombinationRecognizedLiabilityAssumedDebtAndFinanceLeaseObligationsNoncurrent_01a16459-9c2b-72dd-858d-a130675aa985" xlink:href="lbtya-20260930.xsd#lbtya_BusinessCombinationRecognizedLiabilityAssumedDebtAndFinanceLeaseObligationsNoncurrent"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_lbtya_BusinessCombinationRecognizedLiabilityAssumedDebtAndFinanceLeaseObligationsNoncurrent_01a16459-9c2b-72dd-858d-a130675aa985" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_BusinessCombinationRecognizedLiabilityAssumedOperatingLeaseLiabilitiesNoncurrent_01a16459-9c2b-76cb-b9bd-4b4980762910" xlink:href="lbtya-20260930.xsd#lbtya_BusinessCombinationRecognizedLiabilityAssumedOperatingLeaseLiabilitiesNoncurrent"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_lbtya_BusinessCombinationRecognizedLiabilityAssumedOperatingLeaseLiabilitiesNoncurrent_01a16459-9c2b-76cb-b9bd-4b4980762910" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_01a16459-9c2b-7815-b644-f8c8cdd4b33f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_01a16459-9c2b-7815-b644-f8c8cdd4b33f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_01a16459-9c2b-784f-8fdd-8d53210861d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_01a16459-9c2b-7551-8b4b-d45cfc56738e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_01a16459-9c2b-784f-8fdd-8d53210861d6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/InvestmentsInvestmentsDetails" xlink:type="simple" xlink:href="lbtya-20260930.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_Investments_019fc945-d540-7342-b42e-7bb907535a4e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Investments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_019fc945-d540-7e53-af08-d1df031280be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_019fc945-d540-7342-b42e-7bb907535a4e" xlink:to="loc_us-gaap_ShortTermInvestments_019fc945-d540-7e53-af08-d1df031280be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_019fc945-d540-75f5-a8df-eafb92350c67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_019fc945-d540-7342-b42e-7bb907535a4e" xlink:to="loc_us-gaap_LongTermInvestments_019fc945-d540-75f5-a8df-eafb92350c67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_019fc945-d540-75bb-8d36-b12279122ef7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_019fc945-d540-77ae-b02c-c529eca37785" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_019fc945-d540-75bb-8d36-b12279122ef7" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_019fc945-d540-77ae-b02c-c529eca37785" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent_019fc945-d540-70ef-a0ff-ceb6a02bab1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_019fc945-d540-75bb-8d36-b12279122ef7" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent_019fc945-d540-70ef-a0ff-ceb6a02bab1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue_019fc945-d540-7f73-8c9b-170efaf21e21" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_019fc945-d540-75bb-8d36-b12279122ef7" xlink:to="loc_us-gaap_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue_019fc945-d540-7f73-8c9b-170efaf21e21" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DerivativeInstrumentsFairValuesofDerivativeAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="lbtya-20260930.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_DerivativeAssets_019fc945-d540-7972-aa46-a40ac6f08be9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_019fc945-d540-7163-9eac-a557a677c799" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssets_019fc945-d540-7972-aa46-a40ac6f08be9" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_019fc945-d540-7163-9eac-a557a677c799" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_019fc945-d540-7c79-8ff4-3c34112f69eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssets_019fc945-d540-7972-aa46-a40ac6f08be9" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_019fc945-d540-7c79-8ff4-3c34112f69eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_019fc945-d540-76e5-b172-4021be55e057" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_019fc945-d540-7315-84ac-fd24258f2d22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilities_019fc945-d540-76e5-b172-4021be55e057" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_019fc945-d540-7315-84ac-fd24258f2d22" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_019fc945-d540-7345-a33d-503d91a54a59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilities_019fc945-d540-76e5-b172-4021be55e057" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_019fc945-d540-7345-a33d-503d91a54a59" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DerivativeInstrumentsNetCashReceivedPaidRelatedtoDerivativesDetails" xlink:type="simple" xlink:href="lbtya-20260930.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_019fc945-d540-770a-8e53-3f8cffe84c5c" xlink:href="lbtya-20260930.xsd#lbtya_ProceedsRepaymentsFromDerivativesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_PaymentsForProceedsFromDerivativeInstrumentOperatingActivities_019fc945-d540-7810-8018-5042db561ddf" xlink:href="lbtya-20260930.xsd#lbtya_PaymentsForProceedsFromDerivativeInstrumentOperatingActivities"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_ProceedsRepaymentsFromDerivativesContinuingOperations_019fc945-d540-770a-8e53-3f8cffe84c5c" xlink:to="loc_lbtya_PaymentsForProceedsFromDerivativeInstrumentOperatingActivities_019fc945-d540-7810-8018-5042db561ddf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_019fc945-d540-7eae-abd7-569f4d9836e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_ProceedsRepaymentsFromDerivativesContinuingOperations_019fc945-d540-770a-8e53-3f8cffe84c5c" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_019fc945-d540-7eae-abd7-569f4d9836e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_019fc945-d540-7601-8ef0-ff0cb99a4d35" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_ProceedsRepaymentsFromDerivativesContinuingOperations_019fc945-d540-770a-8e53-3f8cffe84c5c" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_019fc945-d540-7601-8ef0-ff0cb99a4d35" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/FairValueMeasurementsAssetsandLiabilitiesatFairValueDetails" xlink:type="simple" xlink:href="lbtya-20260930.xsd#FairValueMeasurementsAssetsandLiabilitiesatFairValueDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/FairValueMeasurementsAssetsandLiabilitiesatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_019fc945-d540-7e82-9934-3c7676b59ec5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019fc945-d540-705a-a11e-7e31620c4755" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_019fc945-d540-7e82-9934-3c7676b59ec5" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019fc945-d540-705a-a11e-7e31620c4755" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_019fc945-d540-74b9-ac76-c80d2bd72b76" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquitySecuritiesFvNi"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_019fc945-d540-7e82-9934-3c7676b59ec5" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_019fc945-d540-74b9-ac76-c80d2bd72b76" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019fc945-d540-709e-b790-f803a0d26b7f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_019fc945-d540-7a58-a920-d3539d019237" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019fc945-d540-709e-b790-f803a0d26b7f" xlink:to="loc_us-gaap_DerivativeAssets_019fc945-d540-7a58-a920-d3539d019237" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_019fc945-d540-7e50-8b13-abedd62955e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019fc945-d540-709e-b790-f803a0d26b7f" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_019fc945-d540-7e50-8b13-abedd62955e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019fc945-d540-743f-a6ff-7ac40f884859" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_019fc945-d540-7897-9ddc-a7b06611e5a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019fc945-d540-743f-a6ff-7ac40f884859" xlink:to="loc_us-gaap_DerivativeLiabilities_019fc945-d540-7897-9ddc-a7b06611e5a3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LonglivedAssetsPropertyandEquipmentNetDetails" xlink:type="simple" xlink:href="lbtya-20260930.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_019fc945-d698-7b63-a6f6-efe2ef34fb5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_019fc945-d698-7fdf-b021-dc4103333e35" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019fc945-d698-7b63-a6f6-efe2ef34fb5b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_019fc945-d698-7fdf-b021-dc4103333e35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_019fc945-d698-7781-b874-fc4cbff0578c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019fc945-d698-7b63-a6f6-efe2ef34fb5b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_019fc945-d698-7781-b874-fc4cbff0578c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LonglivedAssetsIntangibleAssetsSubjecttoAmortizationNetDetails" xlink:type="simple" xlink:href="lbtya-20260930.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_019fc945-d698-755f-ae84-00c69e7f0c5e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019fc945-d698-7faa-b113-854d0be2bb9c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019fc945-d698-755f-ae84-00c69e7f0c5e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019fc945-d698-7faa-b113-854d0be2bb9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019fc945-d698-7084-a608-dbc5324e5156" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019fc945-d698-755f-ae84-00c69e7f0c5e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019fc945-d698-7084-a608-dbc5324e5156" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtComponentsofDebtDetails" xlink:type="simple" xlink:href="lbtya-20260930.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_019fc945-d698-74ed-8a37-58d4058ba104" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_019fc945-d698-70bf-a522-a06e916289d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019fc945-d698-74ed-8a37-58d4058ba104" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_019fc945-d698-70bf-a522-a06e916289d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-7a65-a68b-20708e4d7a53" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019fc945-d698-74ed-8a37-58d4058ba104" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-7a65-a68b-20708e4d7a53" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019fc945-d698-7124-a195-2181a11c10bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019fc945-d698-7a76-bfb0-347560be3060" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019fc945-d698-7124-a195-2181a11c10bf" xlink:to="loc_us-gaap_LongTermDebt_019fc945-d698-7a76-bfb0-347560be3060" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_019fc945-d698-7aa6-a4c2-bd4fdcdc0eba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019fc945-d698-7124-a195-2181a11c10bf" xlink:to="loc_us-gaap_FinanceLeaseLiability_019fc945-d698-7aa6-a4c2-bd4fdcdc0eba" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtComponentsofDebtDetails_1" xlink:type="simple" xlink:href="lbtya-20260930.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_019fc945-d698-7380-b3b2-d717d837d292" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_019fc945-d698-70f3-8348-34df3270fc7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019fc945-d698-7380-b3b2-d717d837d292" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_019fc945-d698-70f3-8348-34df3270fc7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019fc945-d698-70ca-948c-9ff9ed22980e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019fc945-d698-7380-b3b2-d717d837d292" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019fc945-d698-70ca-948c-9ff9ed22980e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtMaturitiesofDebtDetails" xlink:type="simple" xlink:href="lbtya-20260930.xsd#DebtMaturitiesofDebtDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/DebtMaturitiesofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-736e-8193-25abab53acb1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_019fc945-d698-7175-b4cc-1b5f075dd8de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-736e-8193-25abab53acb1" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_019fc945-d698-7175-b4cc-1b5f075dd8de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019fc945-d698-7f3d-b659-3a951be2a8ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-736e-8193-25abab53acb1" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019fc945-d698-7f3d-b659-3a951be2a8ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019fc945-d698-7f20-b902-736a5edf2e5a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-736e-8193-25abab53acb1" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019fc945-d698-7f20-b902-736a5edf2e5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019fc945-d698-7829-a657-21affdcd6500" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-736e-8193-25abab53acb1" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019fc945-d698-7829-a657-21affdcd6500" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019fc945-d698-75d3-a20c-8fa7347c2887" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-736e-8193-25abab53acb1" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019fc945-d698-75d3-a20c-8fa7347c2887" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_019fc945-d698-7a49-90c3-d5f37fd720e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-736e-8193-25abab53acb1" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_019fc945-d698-7a49-90c3-d5f37fd720e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_019fc945-d698-70d9-ab3f-849fe27460e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-736e-8193-25abab53acb1" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_019fc945-d698-70d9-ab3f-849fe27460e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_LongTermDebtContractualMaturities_019fc945-d698-7fe2-a801-5b66eec3bdb0" xlink:href="lbtya-20260930.xsd#lbtya_LongTermDebtContractualMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019fc945-d698-7bd4-9563-1f7d35bbf484" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_LongTermDebtContractualMaturities_019fc945-d698-7fe2-a801-5b66eec3bdb0" xlink:to="loc_us-gaap_LongTermDebtCurrent_019fc945-d698-7bd4-9563-1f7d35bbf484" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019fc945-d698-7e09-9841-9ebb90290b07" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_LongTermDebtContractualMaturities_019fc945-d698-7fe2-a801-5b66eec3bdb0" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019fc945-d698-7e09-9841-9ebb90290b07" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/DebtMaturitiesofDebtDetails_1" xlink:type="simple" xlink:href="lbtya-20260930.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_019fc945-d698-71d8-addc-d39c33aa72c7" xlink:href="lbtya-20260930.xsd#lbtya_LongTermDebtContractualMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-7797-9dbf-bb0e9706e7c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_LongTermDebtContractualMaturities_019fc945-d698-71d8-addc-d39c33aa72c7" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fc945-d698-7797-9dbf-bb0e9706e7c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019fc945-d698-7aab-9d97-7f6a31c6d9fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_LongTermDebtContractualMaturities_019fc945-d698-71d8-addc-d39c33aa72c7" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019fc945-d698-7aab-9d97-7f6a31c6d9fa" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesLeaseBalancesDetails" xlink:type="simple" xlink:href="lbtya-20260930.xsd#LeasesLeaseBalancesDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/LeasesLeaseBalancesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_LeaseLiability_019fc945-d698-7771-bc45-5a1ded6c0fdb" xlink:href="lbtya-20260930.xsd#lbtya_LeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_019fc945-d698-7635-95cf-91cf563e8a71" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_LeaseLiability_019fc945-d698-7771-bc45-5a1ded6c0fdb" xlink:to="loc_us-gaap_FinanceLeaseLiability_019fc945-d698-7635-95cf-91cf563e8a71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_019fc945-d698-78a5-9069-715d1ece7f21" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_LeaseLiability_019fc945-d698-7771-bc45-5a1ded6c0fdb" xlink:to="loc_us-gaap_OperatingLeaseLiability_019fc945-d698-78a5-9069-715d1ece7f21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_LeaseAsset_019fc945-d698-77d1-a025-40332f973769" xlink:href="lbtya-20260930.xsd#lbtya_LeaseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_019fc945-d698-73e4-9203-9cc4105b09a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_LeaseAsset_019fc945-d698-77d1-a025-40332f973769" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_019fc945-d698-73e4-9203-9cc4105b09a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_019fc945-d698-7661-a768-51dc055af35e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_LeaseAsset_019fc945-d698-77d1-a025-40332f973769" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_019fc945-d698-7661-a768-51dc055af35e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesLeaseExpenseandCashOutflowsfromOperatingandFinanceLeasesDetails" xlink:type="simple" xlink:href="lbtya-20260930.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_019fc945-d698-7622-af25-9e3f85fcb721" xlink:href="lbtya-20260930.xsd#lbtya_FinanceLeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_019fc945-d698-76ba-9553-d99a0ef1f14f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_FinanceLeaseCost_019fc945-d698-7622-af25-9e3f85fcb721" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_019fc945-d698-76ba-9553-d99a0ef1f14f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_019fc945-d698-7e21-8edd-6e031037c245" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseInterestExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_FinanceLeaseCost_019fc945-d698-7622-af25-9e3f85fcb721" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_019fc945-d698-7e21-8edd-6e031037c245" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_OperatingAndFinanceLeasePayments_019fc945-d698-7af3-b7af-724996544f9d" xlink:href="lbtya-20260930.xsd#lbtya_OperatingAndFinanceLeasePayments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasePayments_019fc945-d698-7b19-9585-44ea5a068b3f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeasePayments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_OperatingAndFinanceLeasePayments_019fc945-d698-7af3-b7af-724996544f9d" xlink:to="loc_us-gaap_OperatingLeasePayments_019fc945-d698-7b19-9585-44ea5a068b3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestPaymentOnLiability_019fc945-d698-71be-890c-c625aa4cb7c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseInterestPaymentOnLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_OperatingAndFinanceLeasePayments_019fc945-d698-7af3-b7af-724996544f9d" xlink:to="loc_us-gaap_FinanceLeaseInterestPaymentOnLiability_019fc945-d698-71be-890c-c625aa4cb7c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_019fc945-d698-7596-a0bd-8b09f9b21002" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lbtya_OperatingAndFinanceLeasePayments_019fc945-d698-7af3-b7af-724996544f9d" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_019fc945-d698-7596-a0bd-8b09f9b21002" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_019fc945-d698-7d5d-b7b2-2f772e6a6614" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_lbtya_FinanceLeaseCost_019fc945-d698-7eca-8256-9c88cb55caa1" xlink:href="lbtya-20260930.xsd#lbtya_FinanceLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019fc945-d698-7d5d-b7b2-2f772e6a6614" xlink:to="loc_lbtya_FinanceLeaseCost_019fc945-d698-7eca-8256-9c88cb55caa1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_019fc945-d698-7255-ac52-60f9cad95113" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019fc945-d698-7d5d-b7b2-2f772e6a6614" xlink:to="loc_us-gaap_OperatingLeaseCost_019fc945-d698-7255-ac52-60f9cad95113" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_019fc945-d698-7537-b6d9-b336c45e8e7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019fc945-d698-7d5d-b7b2-2f772e6a6614" xlink:to="loc_us-gaap_ShortTermLeaseCost_019fc945-d698-7537-b6d9-b336c45e8e7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_019fc945-d698-726f-8cdd-476d0b0a5784" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019fc945-d698-7d5d-b7b2-2f772e6a6614" xlink:to="loc_us-gaap_VariableLeaseCost_019fc945-d698-726f-8cdd-476d0b0a5784" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesMaturitiesofOperatingandFinancingLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="lbtya-20260930.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_019fc945-d698-7594-af7a-296b808194be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_019fc945-d698-797a-bec2-770e95b88853" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_019fc945-d698-7594-af7a-296b808194be" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_019fc945-d698-797a-bec2-770e95b88853" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_019fc945-d698-71d6-8ab9-caad6e1fc0e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_019fc945-d698-7594-af7a-296b808194be" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_019fc945-d698-71d6-8ab9-caad6e1fc0e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fc945-d698-7e4d-bb61-b61cfa84317d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_019fc945-d698-70eb-a267-1d27f4514e57" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fc945-d698-7e4d-bb61-b61cfa84317d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_019fc945-d698-70eb-a267-1d27f4514e57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_019fc945-d698-7a65-8ed6-2633d3a1e81b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fc945-d698-7e4d-bb61-b61cfa84317d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_019fc945-d698-7a65-8ed6-2633d3a1e81b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_019fc945-d698-71cc-b617-eb3b1c12ec83" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fc945-d698-7e4d-bb61-b61cfa84317d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_019fc945-d698-71cc-b617-eb3b1c12ec83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_019fc945-d698-785a-bf7e-5aa8472f3b08" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fc945-d698-7e4d-bb61-b61cfa84317d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_019fc945-d698-785a-bf7e-5aa8472f3b08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_019fc945-d698-746e-8e1c-8dc4a5856fbd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fc945-d698-7e4d-bb61-b61cfa84317d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_019fc945-d698-746e-8e1c-8dc4a5856fbd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_019fc945-d698-7e49-b888-77f9f744eb7a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fc945-d698-7e4d-bb61-b61cfa84317d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_019fc945-d698-7e49-b888-77f9f744eb7a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_019fc945-d698-77d7-92dc-97bad39e3670" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fc945-d698-7e4d-bb61-b61cfa84317d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_019fc945-d698-77d7-92dc-97bad39e3670" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_019fc945-d698-72e4-95f4-9aaebeee470e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019fc945-d698-729d-ac51-0755ca6bd679" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_019fc945-d698-72e4-95f4-9aaebeee470e" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019fc945-d698-729d-ac51-0755ca6bd679" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019fc945-d698-7fce-acc8-d45b538c5ec2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_019fc945-d698-72e4-95f4-9aaebeee470e" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019fc945-d698-7fce-acc8-d45b538c5ec2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019fc945-d698-7262-81f0-fa358a689315" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_019fc945-d698-7650-874a-94f84b228808" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019fc945-d698-7262-81f0-fa358a689315" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_019fc945-d698-7650-874a-94f84b228808" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_019fc945-d698-7645-8c0b-72b7c21f36ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019fc945-d698-7262-81f0-fa358a689315" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_019fc945-d698-7645-8c0b-72b7c21f36ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_019fc945-d698-7afe-96cf-a7f5dfdc155e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019fc945-d698-7262-81f0-fa358a689315" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_019fc945-d698-7afe-96cf-a7f5dfdc155e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_019fc945-d698-7ff3-b8d6-8e59120a06d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019fc945-d698-7262-81f0-fa358a689315" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_019fc945-d698-7ff3-b8d6-8e59120a06d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_019fc945-d698-7e8e-bf31-d6de54f16fad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019fc945-d698-7262-81f0-fa358a689315" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_019fc945-d698-7e8e-bf31-d6de54f16fad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_019fc945-d698-772e-bd72-a694d4cac6ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019fc945-d698-7262-81f0-fa358a689315" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_019fc945-d698-772e-bd72-a694d4cac6ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_019fc945-d698-7877-b33c-7bdef17352fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019fc945-d698-7262-81f0-fa358a689315" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_019fc945-d698-7877-b33c-7bdef17352fa" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/LeasesMaturitiesofOperatingandFinancingLeaseLiabilitiesDetails_1" xlink:type="simple" xlink:href="lbtya-20260930.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_FinanceLeaseLiabilityPaymentsDue_019fc945-d698-7a98-a55d-334fb6612823" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_019fc945-d698-7e1b-8b3d-90718e7bfe2c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019fc945-d698-7a98-a55d-334fb6612823" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_019fc945-d698-7e1b-8b3d-90718e7bfe2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_019fc945-d698-7a56-9b25-2cb20dcc6b43" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_019fc945-d698-7a98-a55d-334fb6612823" xlink:to="loc_us-gaap_FinanceLeaseLiability_019fc945-d698-7a56-9b25-2cb20dcc6b43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fc945-d698-7570-8f3f-86b1e806efbb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_019fc945-d698-71aa-8c9a-32c741052ca3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fc945-d698-7570-8f3f-86b1e806efbb" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_019fc945-d698-71aa-8c9a-32c741052ca3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_019fc945-d698-7851-a790-1c7888cc5e53" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fc945-d698-7570-8f3f-86b1e806efbb" xlink:to="loc_us-gaap_OperatingLeaseLiability_019fc945-d698-7851-a790-1c7888cc5e53" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/EarningsLossperShareDetails" xlink:type="simple" xlink:href="lbtya-20260930.xsd#EarningsLossperShareDetails"/>
  <link:calculationLink xlink:role="http://www.lgi.com/role/EarningsLossperShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a18858-24ef-75d5-8b13-bd551eb8fa91" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_01a18858-24ef-7f31-8095-724688366a64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a18858-24ef-75d5-8b13-bd551eb8fa91" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_01a18858-24ef-7f31-8095-724688366a64" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_01a18858-24ef-75c9-b404-147915eec6d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01a18858-24ef-75d5-8b13-bd551eb8fa91" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_01a18858-24ef-75c9-b404-147915eec6d6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lgi.com/role/CommitmentsandContingenciesUnrecordedPurchaseObligationDetails" xlink:type="simple" xlink:href="lbtya-20260930.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_019fc945-d698-7302-b7e5-9ddc10c73f5a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear_019fc945-d698-7a60-8434-f060e4a6a142" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019fc945-d698-7302-b7e5-9ddc10c73f5a" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear_019fc945-d698-7a60-8434-f060e4a6a142" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary_019fc945-d698-7ef5-bac8-bc9e28f910a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019fc945-d698-7302-b7e5-9ddc10c73f5a" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary_019fc945-d698-7ef5-bac8-bc9e28f910a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_019fc945-d698-7929-83b1-b42e39868f9d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019fc945-d698-7302-b7e5-9ddc10c73f5a" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_019fc945-d698-7929-83b1-b42e39868f9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_019fc945-d698-7810-bd71-e228c1c169e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019fc945-d698-7302-b7e5-9ddc10c73f5a" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_019fc945-d698-7810-bd71-e228c1c169e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_019fc945-d698-7de5-950f-4d4601db45b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019fc945-d698-7302-b7e5-9ddc10c73f5a" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_019fc945-d698-7de5-950f-4d4601db45b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_019fc945-d698-7225-aad6-1e4a7186c382" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019fc945-d698-7302-b7e5-9ddc10c73f5a" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_019fc945-d698-7225-aad6-1e4a7186c382" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_019fc945-d698-7fcd-9229-a8c638c210dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019fc945-d698-7302-b7e5-9ddc10c73f5a" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_019fc945-d698-7fcd-9229-a8c638c210dd" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
