GTIN Check Digit Calculator
This free check digit calculator is provided by Bar Code Graphics, Inc. We are the leading provider of GS1 support services in the US and specialize in barcode creation and identification implementation. Major retailers, manufacturers, ad agencies, and coupon processors utilize our services every day.
Calculated from the preceding numbers, the last digit of a barcode is the “check digit.” The free check digital calculator will determine the correct check digit for all forms of GTIN identification.
If you are using the check digit calculators below, chances are you are manually working incomplete UPC/GTIN-13/GTIN-14/SSCC-18 data and that should be alarming. The full 12/13/14/18 digit identification strings should be automatically provided by either your data provider, consultant or barcoding software. The ramifications for identification mistakes are enormous and you might think about how remove these potentially problematic manual processes.
GS1 barcode compliance doesn’t have to be as hard as reading the 455 page GS1 General Specifications. While our check digit calculator is a valuable tool, many aspects of assigning and maintaining compliance require a much more substantial resource. Our GS1 Barcode Support provides personal, comprehensive service to your company. Clients are assigned a personal consultant who will assist with UPC barcodes, GTIN-14 assignments, barcode production, and product information. Click on the image below to view a tutorial video.