The last digit of a barcode number is a computer check digit which makes sure the barcode is correctly composed. Use our check digit calculator below to calculate a check digit.

Calculate your UPC, EAN or SCC-14 code check digit! It’s a simple 5-step algorithm for check digit calculation at Simply Barcodes. Click here!

To calculate your check digit, simply enter or paste the first numbers for the barcode. A crucial component of precise digital barcode artwork is “bar width adjustment” (BWA), which …

Calculate the check digit for any 12, 13, 14 digit GTIN and SSCC barcodes. Correct check digit ensures readability and decodability.

Nov 6, 2025 · Calculated from the preceding numbers, the last digit of a barcode is the “check digit.” The free calculator will determine the correct check digit for all forms of GTIN identification.

Advanced check digit validator and calculator for UPC, ISBN, EAN, and other retail/publishing barcodes with comprehensive error analysis and format detection..

The check digit is calculated from all the other numbers in the barcode and helps to confirm the integrity of your barcode number. Simply enter the ID Number below and the Check Digit …

May 14, 2025 · Calculate or verify check digits for various identification numbers including UPC, ISBN, GTIN, credit cards, and more.

This is a bulk EAN, UPC and GTIN check digit calculator and validator that will calculate and validate check digits in bulk for the following valid types of barcode standards:

The last digit of a barcode number is a computer check digit which makes sure the barcode is correctly composed. Use our check digit calculator below to calculate a check digit.