Twitter

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 4813642136978 has a correct check digit.

Check Digit Calculation

Position: 1 2 3 4 5 6 7 8 9 10 11 12 13
Digits: 4 8 1 3 6 4 2 1 3 6 9 7 8
Mutiply digits by: 1 3 1 3 1 3 1 3 1 3 1 3
= 4 24 1 9 6 12 2 3 3 18 9 21
Calculate total sum: 112
Calculate modulo 10: Subtract the sum from nearest equal or higher multiple of ten
=> 120 - 112 = 8 (check digit)
Correct Number: 4 8 1 3 6 4 2 1 3 6 9 7 8

Remarks: