US to UK shoe size
Quick answer: men's UK sizes are usually half a size below US (US 10 = UK 9.5). Women's UK sizes are about two sizes below US (US 8 = UK 6). Same language, different rulers — always convert.
Men — US to UK
| US | UK | EU | Foot length (cm) | JP (cm) |
|---|---|---|---|---|
| 6 | 5.5 | 39 | 24 | 24 |
| 6.5 | 6 | 39.5 | 24.5 | 24.5 |
| 7 | 6.5 | 40 | 25 | 25 |
| 7.5 | 7 | 40.5 | 25.5 | 25.5 |
| 8 | 7.5 | 41 | 26 | 26 |
| 8.5 | 8 | 42 | 26.5 | 26.5 |
| 9 | 8.5 | 42.5 | 27 | 27 |
| 9.5 | 9 | 43.5 | 27.5 | 27.5 |
| 10 | 9.5 | 44 | 28 | 28 |
| 10.5 | 10 | 44.5 | 28.5 | 28.5 |
| 11 | 10.5 | 45 | 29 | 29 |
| 11.5 | 11 | 45.5 | 29.5 | 29.5 |
| 12 | 11.5 | 46 | 30 | 30 |
| 13 | 12.5 | 47.5 | 31 | 31 |
| 14 | 13.5 | 48.5 | 32 | 32 |
| 15 | 14.5 | 49.5 | 33 | 33 |
Women — US to UK
| US | UK | EU | Foot length (cm) | JP (cm) |
|---|---|---|---|---|
| 5 | 3 | 35.5 | 22 | 22 |
| 5.5 | 3.5 | 36 | 22.5 | 22.5 |
| 6 | 4 | 36.5 | 23 | 23 |
| 6.5 | 4.5 | 37 | 23.5 | 23.5 |
| 7 | 5 | 37.5 | 24 | 24 |
| 7.5 | 5.5 | 38 | 24.5 | 24.5 |
| 8 | 6 | 38.5 | 25 | 25 |
| 8.5 | 6.5 | 39 | 25.5 | 25.5 |
| 9 | 7 | 39.5 | 26 | 26 |
| 9.5 | 7.5 | 40 | 26.5 | 26.5 |
| 10 | 8 | 40.5 | 27 | 27 |
| 10.5 | 8.5 | 41 | 27.5 | 27.5 |
| 11 | 9 | 41.5 | 28 | 28 |
| 11.5 | 9.5 | 42 | 28.5 | 28.5 |
| 12 | 10 | 42.5 | 29 | 29 |
Australia and New Zealand mostly follow UK sizing for adults. If a UK shop lists a size without saying men's or women's, check the product range — the same UK number means different lengths in each range.
Frequently asked questions
Is UK 9 the same as US 9?
No. A men's UK 9 is a US 9.5; a women's UK 9 is a US 11.
What UK size is a US 11?
Men: UK 10.5. Women: UK 9.
Do kids' UK sizes match US?
No — kids' UK sizes also run behind US, and both restart at 1 for youth sizes. Use the kids chart.