content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001217439</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001037646</issuerCik>
        <issuerName>METTLER TOLEDO INTERNATIONAL INC/</issuerName>
        <secFileNumber>001-13595</secFileNumber>
        <issuerAddress>
          <com:street1>1900 POLARIS PARKWAY</com:street1>
          <com:city>COLUMBUS</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>43240</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>6144384511</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>FINNEY ELISHA W</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill</name>
          <address>
            <com:street1>8890 Lyra Dr 5th Flr</com:street1>
            <com:city>Columbus</com:city>
            <com:stateOrCountry>OH</com:stateOrCountry>
            <com:zipCode>43240</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>251</noOfUnitsSold>
        <aggregateMarketValue>295516.00</aggregateMarketValue>
        <noOfUnitsOutstanding>21478705</noOfUnitsOutstanding>
        <approxSaleDate>02/12/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>common</securitiesClassTitle>
        <acquiredDate>11/02/2017</acquiredDate>
        <natureOfAcquisitionTransaction>stock option exercise</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Mettler Toledo</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>251</amountOfSecuritiesAcquired>
        <paymentDate>02/12/2024</paymentDate>
        <natureOfPayment>cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>02/12/2024</noticeDate>
        <signature>Elisha Finney</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2701}]
text: 144
  0001217439
  XXXXXXXX
  LIVE
  0001037646
  METTLER TOLEDO INTERNATIONAL INC/
  001-13595
  1900 POLARIS PARKWAY
  COLUMBUS
  OH
  43240
  6144384511
  FINNEY ELISHA W
  Director
  Common
  Merrill
  8890 Lyra Dr 5th Flr
  Columbus
  OH
  43240
  251
  295516.00
  21478705
  02/12/2024
  NYSE
  common
  11/02/2017
  stock option exercise
  Mettler Toledo
  N
  251
  02/12/2024
  cash
  Y
  02/12/2024
  Elisha Finney