| US sizes | euro sizes | UK sizes | inches | cm |
|---|---|---|---|---|
| 5 | 35-36 | 3 | 8.5" | 21.6 |
| 5.5 | 36 | 35 | 8.8" | 22.2 |
| 6 | 36-37 | 4 | 8.9" | 25 |
| 6.5 | 37 | 4.5 | 9.1" | 23 |
| 7 | 37-38 | 5 | 9.2" | 23.5 |
| 7.5 | 38 | 5.5 | 9.4" | 23.8 |
| 8 | 38-39 | 6 | 9.5" | 24.1 |
| 9 | 39-40 | 7 | 9.9" | 25.1 |
| 9.5 | 40 | 7.5 | 10" | 25.4 |
| 10 | 40-41 | 8 | 10.2" | 25.9 |
| 10.5 | 41 | 8.5 | 10.3" | 26.2 |
| 11 | 41-42 | 9 | 10.5" | 26.7 |
| 11 | 41-42 | 9 | 10.5" | 26.7 |
| 11.5 | 42 | 9.5 | 40.7" | 27.1 |