Shoe Size Conversion Guide: UK and European Sizing

 

Step 1: Know Which Sizing System the Shoe Uses

Before converting your size, check which sizing system the brand follows.

European (EU) Sizes: Commonly used by brands like Birkenstock, Dansko, ECCO, and others.

UK Sizes: Commonly used by brands like Hartjes, Gabor, Hassia, and others.

Hartjes
 

European Size Conversion

EU Sizes Compared to US Sizes

EU sizing does not use half sizes and follows a numeric scale.

Women

  • US 9 = EU 40
  • US 8.5 to 9 = EU 39 to 40
  • US 8 = EU 38 to 39

Men

  • US 10 = EU 44
  • US 9.5 to 10 = EU 43 to 44
  • US 9 = EU 42 to 43
Birkenstock
 

UK Size Conversion

UK Sizes Compared to US Sizes

UK sizing runs smaller than US sizing.

Women

  • Subtract 2.5 sizes from your US size
  • US 9 = UK 6.5
  • US 8.5 = UK 6

Men

  • Subtract 0.5 size from your US size
  • US 10 = UK 9.5
  • US 9.5 = UK 9

Hassia

Fit Notes

UK sized comfort brands often fit slightly more generous than many US brands

If you are between sizes or have a narrower foot, consider sizing down

Removable footbeds make many UK and EU shoes a great option for orthotics





Still Not Sure?

Use our size conversion tool or reach out to our Fit Experts for help.

Chat with us online or call 262.432.4030. We are happy to help you find the right size the first time so you can shop with confidence.