US shoe sizes to UK shoe sizes
A men's US 10 is a UK 9, and a women's US 10 is a UK 8
US shoe sizes to UK shoe sizes chart
Men’s and women’s side by side — they are not the same.
| US | UK men | UK women |
|---|---|---|
| 4 | 3 | — |
| 4.5 | 3.5 | — |
| 5 | 4 | 3 |
| 5.5 | 4.5 | 3.5 |
| 6 | 5 | 4 |
| 6.5 | 5.5 | 4.5 |
| 7 | 6 | 5 |
| 7.5 | 6.5 | 5.5 |
| 8 | 7 | 6 |
| 8.5 | 7.5 | 6.5 |
| 9 | 8 | 7 |
| 9.5 | 8.5 | 7.5 |
| 10 | 9 | 8 |
| 10.5 | 9.5 | 8.5 |
| 11 | 10 | 9 |
| 11.5 | 10.5 | 9.5 |
| 12 | 11 | 10 |
| 12.5 | 11.5 | 10.5 |
| 13 | 12 | 11 |
| 13.5 | — | 11.5 |
| 14 | 13 | 12 |
| 15 | — | 13 |
There is no single formula. Men's US sizes are UK + 1 and women's are UK + 2, which is why the chart shows both.
Where this number comes from
There is no international standard for shoe sizes: every maker adjusts its own last.
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