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      <filer>
        <filerCredentials>
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          <ccc>XXXXXXXX</ccc>
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      <liveTestFlag>LIVE</liveTestFlag>



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    <issuerInfo>
      <issuerCik>0000002098</issuerCik>
      <issuerName>ACME UNITED CORP</issuerName>
      <secFileNumber>001-07698</secFileNumber>
      <issuerAddress>
        <com:street1>1 WATERVIEW DRIVE</com:street1>
        <com:city>SHELTON</com:city>
        <com:stateOrCountry>CT</com:stateOrCountry>
        <com:zipCode>06484</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>203-254-6060</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DRISCOLL PAUL G</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corp.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1000</noOfUnitsSold>
      <aggregateMarketValue>44180.00</aggregateMarketValue>
      <noOfUnitsOutstanding>3741453</noOfUnitsOutstanding>
      <approxSaleDate>12/03/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/05/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1000</amountOfSecuritiesAcquired>
      <paymentDate>06/05/2023</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>PAUL DRISCOLL</name>
        <address>
          <com:street1>1 WATERVIEW DR</com:street1>
          <com:city>SHELTON</com:city>
          <com:stateOrCountry>CT</com:stateOrCountry>
          <com:zipCode>06484</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/29/2024</saleDate>
      <amountOfSecuritiesSold>2000</amountOfSecuritiesSold>
      <grossProceeds>88665.25</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>12/03/2024</noticeDate>
      <signature>PAUL DRISCOLL</signature>
    </noticeSignature>
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144
0001213237
XXXXXXXX
LIVE
0000002098
ACME UNITED CORP
001-07698
1 WATERVIEW DRIVE
SHELTON
CT
06484
203-254-6060
DRISCOLL PAUL G
Officer
Common
Charles Schwab Corp.
3000 Schwab Way
Westlake
TX
76262
1000
44180.00
3741453
12/03/2024
NYSE
Common
06/05/2023
Stock Option Exercise
Issuer
N
1000
06/05/2023
N/A
N
PAUL DRISCOLL
1 WATERVIEW DR
SHELTON
CT
06484
Common
11/29/2024
2000
88665.25
12/03/2024
PAUL DRISCOLL