Barcode Check Digit Calculator



Calculate GTIN (EAN/UPC) check digit by entering all the numbers that appear under the barcode.

Example: 075678164125 | 6001240720288


Barcode number 88649054676554 has an incorrect check digit.
Corrected Barcode number is 88649054676557.

Check Digit Calculation

Position: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Digits: 8 8 6 4 9 0 5 4 6 7 6 5 5 4
Mutiply digits by: 3 1 3 1 3 1 3 1 3 1 3 1 3
= 24 8 18 4 27 0 15 4 18 7 18 5 15
Calculate total sum: 163
Calculate modulo 10: Subtract the sum from nearest equal or higher multiple of ten
=> 170 - 163 = 7 (check digit)
Correct Number: 8 8 6 4 9 0 5 4 6 7 6 5 5 7

Remarks: