Modulo 10
The most common check digit algorithm, used by EAN/UPC, dividing the weighted sum by 10.
Related Symbologies
Related Terms
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Barcode Anatomy: Bars, Spaces, Quiet Zones & Check Digits
Barcode Fundamentals…symbologies use different algorithms: EAN/UPC use Modulo 10, Code 39 uses Modulo 43, and Code 128 uses Modulo 103. If…
Check Digit Algorithms: How Barcodes Prevent Errors
Barcode Fundamentals…Different barcode symbologies use different algorithms. Modulo 10 (EAN/UPC) The Modulo 10 algorithm protects EAN-13 , EAN-8…
EAN-13 Deep Dive: The World's Most Scanned Barcode
Symbology Deep Dives…: Company prefix + item reference Digit 13 : Check digit (Modulo 10) The 13 digits are divided into a left half (6 digits…
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ISBN & ISSN Barcodes: Identifying Books & Periodicals
Symbology Deep Dives…Prepend 978 Drop the old check digit Calculate a new Modulo 10 check digit ISBN-10: 0-13-468599-X becomes ISBN-13:…
GTIN Explained: The Global Trade Item Number System
GS1 & Supply Chain…13, or 14 digits) Calculate and verify the check digit (Modulo 10) Optionally, look up the GS1 prefix to verify the issuing…
GLN & Location Barcodes: Identifying Places in the Supply Chain
GS1 & Supply Chain…used for products. The check digit uses the standard Modulo 10 algorithm. Types of Locations GLNs identify three types of…
GS1 Verify & GEPIR: Validating Barcodes Online
GS1 & Supply Chain…or GTIN-14? Verify the check digit : Recalculate using the Modulo 10 algorithm Look up the prefix : Use GEPIR or GS1 Verify to…