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Use our check digit calculator below to calculate a check digit. What is a check digit? The last digit of all fixed-length, numeric GS1 Identification Keys is a check digit that ensures the integrity of the key. All GS1 ID Keys need a check digit, except Component/Part Identifier (CPID) and Global Individual Asset Identifier (GIAI).
Use GS1's UPC check digit calculator to confirm the integrity of your barcode number.
Here you can learn how to compute check digits for UPC-a barcode, see the maths and get the digit computed for your data.
Use the check digit calculator to verify a UPC or EAN barcode.
A 100% free barcode check digit calculator and validator. Simple to use. Free for life. ️Generate Barcode Check Digits ️Validate Barcodes ️Single barcode and bulk mode
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!
With this check digit calculator, you can confirm the integrity of a barcode. Whether you're trying to determine the last digit of the GTIN code or simply ensuring you didn't make a typo, all you need to do is spend a few seconds copying the code into our calculator.
