Shoe Size Converter (US, UK, EU)

Convert adult shoe sizes between US men's, US women's, UK, EU and foot length in centimetres.

Runs instantly in your browser — results update as you type.

What is my EU shoe size?

Shoe size systems differ by country: a US men's 9 is about a UK 8.5 and an EU 42.5, for a foot length of roughly 26.7 cm. US women's sizes are usually 1.5 larger than US men's for the same foot.

How to find your size

  1. Stand on paper and mark the heel and the tip of your longest toe.
  2. Measure the length in centimetres.
  3. Choose "Foot length (cm)" and enter the measurement, or convert a size you already know.

The chart shows standard adult conversions. Brands and shoe types vary, so check the brand's own size guide, especially for running shoes and boots.

Frequently asked questions

Are UK and US sizes the same?

No, UK sizes are about half a size to one size smaller than US men's.

What is the difference between US men's and women's?

Women's sizes are about 1.5 larger for the same foot length.

Does this include children's sizes?

No, it covers common adult sizes.