Check digit calculator - Services | GS1
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.
Check Digit Calculator - Simply Barcodes
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!
Check Digit Calculator - GTIN INFO Global Trade Item Number
UPC check digit calculator Calculates check digits for UPC ITF-14, and SSCC-18 data. GS1 check digit calculator uses Mod 10 calculation.
Check Digit Calculator - Free from Bar Code Graphics
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.
Check Digit Calculator - Calculate Check Digit for Numbers
Free check digit calculator. Calculate check digits using Luhn algorithm or Mod 10 method.
Check Digit Calculator - Calculate and Validate Check Digits
Free check digit calculator to calculate and validate check digits for ISBN, UPC, credit cards, and other numbering systems.
Check Digit Calculator - GS1 US
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 …
Check Digit Calculator
May 14, 2025 · Calculate or verify check digits for various identification numbers including UPC, ISBN, GTIN, credit cards, and more.
Barcode Check Digit Calculator & Validator - EAN Check
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:
Check Digit Calculator - Bar Codes Talk
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.