Shoe Size Conversion

Buying shoes online from another country? Sizing varies significantly between the US, UK, Europe, Japan, and other regions. This shoe size converter gives you the equivalent in every major system so you order the right size the first time.

What Does This Tool Do?

Enter your shoe size in any system (US, UK, EU, Japan, cm foot length) and get the equivalent size in all other systems — for men, women, and children.

How to Use This Converter

1. Select your gender (men, women, or kids).
2. Select your current size system (US, UK, EU, etc.).
3. Enter your size.
4. Get conversions to all other systems instantly.

How to Measure Your Foot

1. Stand on a piece of paper and trace your foot.
2. Measure the longest distance (heel to longest toe) in cm or inches.
3. Use the measurement to find your size on the chart.

Shoe Size Conversion Chart (Women)

• US 6 = UK 4 = EU 36–37 = 22.5 cm
• US 7 = UK 5 = EU 37–38 = 23.5 cm
• US 8 = UK 6 = EU 38–39 = 24.5 cm
• US 9 = UK 7 = EU 40 = 25.5 cm
• US 10 = UK 8 = EU 41 = 26.5 cm

Shoe Size Conversion Chart (Men)

• US 7 = UK 6 = EU 40 = 25 cm
• US 8 = UK 7 = EU 41 = 26 cm
• US 9 = UK 8 = EU 42 = 27 cm
• US 10 = UK 9 = EU 43 = 28 cm
• US 11 = UK 10 = EU 44 = 29 cm
• US 12 = UK 11 = EU 46 = 30 cm

Common Mistakes to Avoid

• Assuming men's and women's conversions are the same — they're not. A US women's 8 is about a men's 6.5 in US sizing.
• Ignoring width — size conversion covers length only. Width (narrow, regular, wide) is a separate fit factor that varies by brand.
• Trusting size alone for athletic shoes — running shoes and hiking boots often fit differently. Read brand-specific sizing notes and check return policies when ordering online.

Frequently Asked Questions

What is the difference between US and UK shoe sizes?

For men, US size = UK size + 0.5 (US 10 = UK 9.5). For women, US size = UK size + 2 (US 8 = UK 6).

How do I convert EU shoe size to US?

For women: US = EU − 31. For men: US = EU − 32. These are approximate — always verify on the brand's size chart.

What is the most common shoe size for women?

The average women's shoe size in the US is approximately 8.5 to 9 (EU 39–40).

Do children's sizes convert the same way?

Children's sizing has its own scale. US kids' sizes run from about 1 (infant) to 7 (big kids, equivalent to small adult sizes). Use the kids' section of the converter for accurate results.

Is Japanese shoe sizing in centimeters?

Yes. Japanese shoe sizes are measured in centimeters of foot length. A Japanese size 25.5 = a foot length of 25.5 cm.

Conclusion

Shoe sizing is inconsistent across regions and brands — but knowing your foot length in centimeters gives you a universal anchor point. Use this converter before every international shoe purchase to avoid costly returns.

Related: Bra Size Calculator | Conversion Calculator