SSCC Check Digit Calculator
Enter the 17-digit SSCC body to compute its check digit.
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
A Serial Shipping Container Code (SSCC) is an 18-digit GS1 identifier for a logistics unit — a pallet or shipping carton — made up of a 17-digit body (extension digit, GS1 company prefix, and serial reference) plus a check digit calculated with the GS1 Modulo 10 algorithm: starting from the rightmost digit, alternating digits are multiplied by 3 and 1, the products are summed, and the check digit is whatever value rounds that sum up to the next multiple of 10.
Warehouse, logistics, and supply-chain professionals use SSCCs to track pallets and containers through GS1-128 barcodes (printed under Application Identifier (00)) as they move through shipping, receiving, and EDI systems; this calculator verifies or generates the correct check digit so a mistyped or corrupted body digit doesn't silently produce an invalid code that a scanner or ERP system will reject.
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