Check Digit Calculator

The Check Digit Calculator counts the last digit also called check digit for GS1 identyfication keys such as the GTIN or SSCC code. If the number is incorrect, the code cannot be read and for example shops cash register system cannot recognize the product.

Note! You can calculate the check digit for a GLN code with the GTIN-13 calculator.

GTIN Check Digit Calculator

Item Reference without Check Digit Check Digit GTIN (Global Trade Item Number)
ID Key Format: GTIN-8
ID Key Format: GTIN-12
ID Key Format: GTIN-13
ID Key Format: GTIN-14

SSCC Check Digit Calculator

Item Reference without Check Digit Check Digit
SSCC