UPC vs EAN: Understanding Barcode Differences

When it comes to product barcodes, UPC and EAN are the two most common formats you will encounter. While they serve the same fundamental purpose, there are important differences between them that affect where and how they can be used. This guide explains everything you need to know about UPC vs EAN barcodes.

Quick Comparison: UPC vs EAN

What is a UPC Barcode?

UPC (Universal Product Code) is a barcode format developed in the United States in 1974. It was created to speed up grocery checkout and improve inventory management. The standard UPC-A format contains 12 digits:

• 1 digit: Number system character
• 5 digits: Manufacturer identification number
• 5 digits: Product item number
• 1 digit: Check digit for validation

UPC codes are primarily used in the United States and Canada. If you buy a product at any American retailer, chances are it has a UPC barcode.

What is an EAN Barcode?

EAN (European Article Number, now called International Article Number) was developed in 1977 as a superset of UPC to accommodate the international market. The standard EAN-13 format contains 13 digits:

• 2-3 digits: Country code (GS1 prefix)
• 4-5 digits: Manufacturer code
• 4-5 digits: Product code
• 1 digit: Check digit

EAN is used throughout the world, including Europe, Asia, Australia, and South America. It is the international standard for product identification.

Key Differences Between UPC and EAN

1. Number of Digits

The most obvious difference is length. UPC-A has 12 digits while EAN-13 has 13 digits. This extra digit in EAN allows for country identification, making it suitable for international trade.

2. Geographic Usage

UPC is predominantly used in:

• United States
• Canada

EAN is used in:

• Europe
• Asia
• Australia
• South America
• Africa
• Most other countries worldwide

3. Country Codes

EAN barcodes include a country prefix that identifies where the manufacturer is registered (not necessarily where the product was made). Some examples:

• 00-13: United States and Canada
• 30-37: France
• 40-44: Germany
• 45-49: Japan
• 50: United Kingdom
• 84: Spain
• 87: Netherlands

4. Scanner Compatibility

Modern barcode scanners can read both UPC and EAN barcodes. However, older systems (particularly in North America) may have been designed for UPC only. Today, this is rarely an issue as most retail systems are globally compatible.

How to Convert Between UPC and EAN

Converting UPC to EAN

Converting a UPC-A to EAN-13 is straightforward: simply add a leading zero. For example:

• UPC-A: 012345678905
• EAN-13: 0012345678905

This works because UPC is actually a subset of EAN. All UPC codes are technically EAN codes with a leading zero.

Converting EAN to UPC

Converting EAN-13 to UPC-A only works if the EAN starts with a zero. Simply remove the leading zero:

• EAN-13: 0012345678905
• UPC-A: 012345678905

If an EAN does not start with zero (like 4006381333931), it cannot be converted to a 12-digit UPC. It must remain as EAN-13.

Which Barcode Should You Use?

The choice between UPC and EAN depends on where you plan to sell your products:

Use UPC if:

• You are selling exclusively in the United States or Canada
• Your retail partners specifically require UPC codes
• You are a US-based company with no international sales plans

Use EAN if:

• You sell products internationally
• You are based outside North America
• You want maximum compatibility worldwide
• You plan to expand into international markets

The Best Practice

Many experts recommend using EAN-13 even for products sold in North America. Since all modern systems can read EAN, and EAN provides international compatibility, it offers the most flexibility. You can always derive a UPC from your EAN when needed.

EAN-8 and UPC-E: Compact Versions

Both systems have compressed formats for small packages:

• UPC-E: 8-digit compressed version of UPC-A
• EAN-8: 8-digit compact version of EAN-13

These shorter codes are used on products with limited packaging space, such as small cosmetics, candy, or individual snack items.

Looking Up UPC and EAN Codes

Whether you have a UPC or EAN barcode, our barcode search engine can help you find product information. Simply enter the barcode number to access product details, images, and specifications.

Conclusion

While UPC and EAN serve the same purpose of product identification, understanding their differences is important for businesses operating in retail. UPC is the North American standard, while EAN is used internationally. The good news is that modern systems handle both formats seamlessly, and converting between them is straightforward when the barcode allows it.

For new businesses, consider your target market when choosing a barcode format. If there is any chance you will sell internationally, starting with EAN-13 provides the most flexibility for future growth.