EAN-13 Format: Complete Guide to Barcode Structure and Digits
The EAN-13 format is one of the most widely used barcode systems in retail worldwide. If you have ever scanned a product at a supermarket, there is a high chance it used an EAN-13 barcode.
Understanding the EAN 13 barcode format helps businesses, developers, and sellers create valid barcodes for products, inventory, and retail systems.
📌 What Is EAN-13 Format?
EAN-13 (European Article Number) is a barcode standard made up of 13 digits. It is used to identify products globally and is managed by GS1.
The EAN-13 format includes product identification, country identification, and a verification digit called the checksum.
Basic EAN-13 Example
Example barcode number:
8901234567897
This 13-digit number follows a specific EAN-13 structure.
🔍 EAN-13 Barcode Format Structure
The EAN 13 structure is divided into four parts:
- GS1 Prefix (first 3 digits)
- Company Prefix (next digits)
- Item Reference (product ID)
- Check Digit (last digit)
EAN-13 Structure Breakdown
Example:
890 | 1234 | 56789 | 7
- 890 → Country/GS1 prefix
- 1234 → Company code
- 56789 → Product code
- 7 → Check digit
The exact company prefix length may vary depending on the business registration.
🧩 Understanding Each Digit in EAN-13
1. GS1 Prefix
The first 2-3 digits identify the GS1 member organization that issued the code.
Examples:
- 890 = India
- 500 = UK
- 400 = Germany
2. Manufacturer Code
This identifies the company that owns the product.
3. Product Code
This identifies the specific item.
4. Check Digit
The last digit verifies that the barcode is mathematically valid.
⚙ How EAN-13 Check Digit Works
The check digit is calculated using the first 12 digits. For more details check our complete guide on How EAN-13 Check Digit Works.
Step-by-Step Example
Number:
890123456789
- Add odd position digits
- Add even position digits and multiply by 3
- Add both totals
- Find the nearest multiple of 10
- Subtract total from that multiple
Result = check digit
This ensures barcode scanners can detect errors.
📦 Real-World Use Cases of EAN-13 Format
Retail Products
Supermarkets use EAN-13 for billing and stock management.
E-commerce
Online marketplaces often require EAN-13 codes for product listings.
Warehouse Management
Products are tracked using barcode scanners.
Inventory Systems
Businesses use EAN-13 for stock counting and product identification.
EAN-13 vs UPC: What's the Difference?
💡 In many cases, UPC can be converted into EAN-13 by adding a leading zero. 👉 Want a detailed comparison? See EAN vs UPC differences.
🛠 How to Create an EAN-13 Barcode
- Create a valid 12-digit number
- Calculate the check digit
- Generate the barcode image
- Test it with a scanner
🚀 Ready to Create Your Barcode?
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Generate EAN-13 Barcode Now →Common Mistakes in EAN-13 Formatting
- Using less than 13 digits
- Wrong checksum calculation
- Invalid company prefix
- Incorrect barcode printing size
These mistakes can make the barcode unreadable.
Final Thoughts
The EAN-13 format is essential for product identification in retail and logistics. Understanding the EAN 13 barcode format and its structure helps ensure your products are compatible with scanners and marketplaces.