This page offers a shoe size conversion chart for converting US sizes to UK sizes – and vice versa.
Women: UK Shoe Size to US Chart
This chart converts women’s UK shoe sizes to US sizes. The average US women size is 9 equivalent to UK size 7.
| US Women's Shoe | UK Shoe Size | Foot Length in Inches | Foot Length in CM |
|---|---|---|---|
| 6 | 4 | 9 | 22.9 cm |
| 6.5 | 4.5 | 9 1⁄6 | 23.3 cm |
| 7 | 5 | 9 1⁄3 | 23.7 cm |
| 7.5 | 5.5 | 9 1⁄2 | 24.1 cm |
| 8 | 6 | 9 2⁄3 | 24.6 cm |
| 8.5 | 6.5 | 9 5⁄6 | 25.0 cm |
| 9 | 7 | 10 | 25.4 cm |
| 9.5 | 7.5 | 10 1⁄6 | 25.8 cm |
| 10 | 8 | 10 1⁄3 | 26.2 cm |
| 10.5 | 8.5 | 10 1⁄2 | 26.7 cm |
| 11 | 9 | 10 2⁄3 | 27.1 cm |
| 11.5 | 9.5 | 10 5⁄6 | 27.5 cm |
| 12 | 10 | 11 | 27.9 cm |
Men: UK Shoe Size to US Chart
This chart allows men to convert between UK and US shoe sizes. The average US men’s shoe size is 10.5 corresponding to a UK size 10.
| US Men's Shoe | UK Shoe Size | Foot Length in Inches | Foot Length in CM |
|---|---|---|---|
| 7 | 6.5 | 9 5⁄6 | 25.0 cm |
| 7.5 | 7 | 10 | 25.4 cm |
| 8 | 7.5 | 10 1⁄6 | 25.8 cm |
| 8.5 | 8 | 10 1⁄3 | 26.2 cm |
| 9 | 8.5 | 10 1⁄2 | 26.7 cm |
| 9.5 | 9 | 10 2⁄3 | 27.1 cm |
| 10 | 9.5 | 10 5⁄6 | 27.5 cm |
| 10.5 | 10 | 11 | 27.9 cm |
| 11 | 10.5 | 11 1⁄6 | 28.4 cm |
| 11.5 | 11 | 11 1⁄3 | 28.8 cm |
| 12 | 11.5 | 11 1⁄2 | 29.2 cm |
| 12.5 | 12 | 11 2⁄3 | 29.6 cm |
| 13 | 12.5 | 11 5⁄6 | 30.1 cm |
| 13.5 | 13 | 12 | 30.5 cm |
| 14 | 13.5 | 12 1⁄6 | 30.9 cm |
| 14.5 | 14 | 12 1⁄3 | 31.3 cm |
| 15 | 14.5 | 12 1⁄2 | 31.8 cm |
| 15.5 | 15 | 12 2⁄3 | 32.2 cm |
Cracking the Code for UK Shoe Size Conversion
- UK shoe sizes are unisex, differing from the US system which distinctly categorizes sizes for men, women, and children. The UK sizes can go up to 15, equaling 12 ⅔ inches. Men to Women Shoe Size. Children’s shoe sizes can also differ from adult shoe sizes.
- The UK uses a unique sizing system different from the one used in mainland Europe, where EU sizes are standardized across countries like France, Italy, Germany, and Spain.
- When converting from US to UK sizes, men’s sizes are offset by 0.5, while women’s sizes differ by 2. For example, a US women’s 9 is a UK 7, and a US men’s 10.5 is a UK 10.
- The shoe size number in the UK does not correspond directly to the length of the shoe in inches or centimeters. A size 10 in the UK will not be 10 inches long, but will in fact be about 27.9 centimeters or 11 inches in length.
- Measuring your feet offers a more accurate and dependable method for finding your size than relying on conversion charts, which can lead to errors. For the most precise fit, consult the sizing charts of specific brands rather than using general guidelines.
- Try on shoes in-store if possible, or read online reviews about exact sizing of your chosen product when shopping online.
Insights from our Lab
In our lab’s study of over a thousand pairs of shoes, we discovered that shoe sizes show more variability than US sizes, particularly among British brands. There’s a noticeable lack of standard fit, with the same shoe model often available in multiple widths. Narrow feet might need a smaller size, though finding a true narrow fit is hard. For wider feet, brands offer F and G width options, with some models designed specifically for these sizes.
Insights from our Lab
This is how we work: watch the video and see how we measure and research in our lab.