Enter 12 or 13 digits
Use 12 EAN data digits to calculate, or enter a complete 13-digit EAN-13.
→EAN check digit tool
EAN Check Digit Calculator
Calculate the EAN-13 check digit from 12 digits or validate a complete 13-digit EAN-13 code.
Calculate check digitsComplete a 12-digit EAN value
Validate EAN-13Check a full 13-digit value
Text input onlyLeading zeros stay intact
EAN check digit calculator
Calculate or validate an EAN-13
Use 12 ASCII digits to calculate the final digit, or enter all 13 digits to verify an existing code.
Values are treated as text. Spaces, letters, emoji, and non-ASCII digits are not accepted.
●Ready to calculate
EAN-13 result
Review the input, calculated check digit, complete EAN-13, and validation state.
●Ready to calculate
- Input
- 590123412345
- Calculated Check Digit
- 7
- Complete EAN-13
- 5901234123457
- Validation Status
- Ready to calculate
How to use the EAN Check Digit Calculator
Calculate or verify an EAN-13 value in four simple steps.
Calculate or validate
Barlora applies the shared EAN-13 check-digit rules to your exact text input.
→Review the result
See the calculated digit, complete EAN-13, and validation status.
→Copy the complete EAN-13
Copy a valid 13-digit EAN-13 for your next workflow.
Why this tool helps
Keep EAN-13 data complete, consistent, and ready for the next appropriate workflow.
Check EAN data
Confirm the final check digit before using an existing EAN-13 value.
Catch typing errors
See an invalid check digit before it reaches a product or retail workflow.
Complete 12-digit EAN values
Turn valid 12-digit EAN data into a complete 13-digit EAN-13.
Shared EAN-13 rules
Use the same validated EAN-13 core as Barlora’s EAN-13 generator.
EAN check digit rules
Use exactly the required EAN-13 length and preserve every digit as text.
EAN-13 uses 13 digits
A complete EAN-13 consists of 13 ASCII digits, including the final check digit.
First 12 digits are data
Enter exactly 12 digits to calculate the final position.
Final digit is checked
For 13 digits, Barlora verifies that the supplied final digit matches.
No EAN assignment
This calculator does not register products, assign EANs, or issue GS1 identifiers.
Frequently asked questions
Find answers about EAN-13 digits and check-digit validation.
What is an EAN-13 check digit?
It is the final digit of an EAN-13. It is calculated from the first 12 digits and helps identify common data-entry errors.
Can I enter 12 digits?
Yes. Enter 12 ASCII digits and Barlora returns the calculated check digit and complete 13-digit EAN-13.
Can I validate a 13-digit EAN-13?
Yes. Enter all 13 digits to check whether the final digit matches the first 12 digits.
How is the check digit used?
The final digit helps verify that a complete EAN-13 value has been entered consistently. It does not assign or register the identifier.
Does Barlora assign EAN or GS1 numbers?
No. Barlora does not issue EANs, register products, or assign GS1 identifiers.
Is EAN-13 the same as GTIN-13?
EAN-13 is a common way to encode a 13-digit GTIN. This calculator checks the EAN-13 digit structure only.
Check an EAN-13 digit in seconds.
Calculate, validate, and copy the complete EAN-13 value.