Check Digit Calculator

Check Digit Calculator is a simple online tool that may be used to calculate barcodes and other numbers.

To compute the check digit of a barcode, input a number, ideally the first 12 digits (for a 13 digits barcode).
Check Digit

More in Barcode Tools category

FAQ

Check digits can be generated for any barcode or number using the Check Digit Calculator tool. Create or double-check your check digit with this tool.