FINANCE & TAX CALCULATOR
Gtin Check Digit
A precise tool.
What is the Gtin Check Digit & How does it work?
The Global Trade Item Number (GTIN) is a 14-digit number used to identify trade items in global supply chains. It includes the check digit, which is calculated using a specific algorithm to ensure data integrity.
To calculate the GTIN check digit, you first sum every second digit starting from the rightmost digit (excluding the check digit), then multiply this sum by 3. Next, add the result to the sum of all other digits. The final step is to find the smallest number that, when added to this total, results in a multiple of 10.
text{check digit} = (10 – (text{total sum} mod 10)) mod 10
var = meaning
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Frequently Asked Questions
How do I calculate the GTIN check digit?
To calculate the GTIN check digit, sum every second digit starting from the right (excluding the check digit), multiply this sum by 3, add it to the sum of all other digits, and find the smallest number that makes the total divisible by 10.
What is a GTIN?
A GTIN is a 14-digit number used to identify trade items globally in supply chains. It includes a check digit for data integrity.
Why do I need the GTIN check digit?
The check digit ensures that the GTIN is correctly formatted and reduces errors in data entry and processing.
Can I use this calculator for any GTIN?
Yes, you can use this calculator to verify or generate a check digit for any 14-digit GTIN.
What if my GTIN has more than 14 digits?
A valid GTIN must be exactly 14 digits. If your number is longer, it may need to be shortened or rechecked for accuracy.
How do I use this calculator?
Enter the first 13 digits of your GTIN into the calculator. It will automatically compute and display the check digit for you.
Is there a cost to use this calculator?
No, using this GTIN Check Digit Calculator is free.
Results are for informational purposes only and do not constitute professional advice.