| EU / IT | UK | US Men | US Women | Foot Length (cm) |
|---|---|---|---|---|
| 34 | 1 | — | 4 | 21.7 |
| 34.5 | 1.5 | — | 4.5 | 22.1 |
| 35 | 2 | — | 5 | 22.4 |
| 35.5 | 2.5 | — | 5.5 | 22.7 |
| 36 | 3 | — | 6 | 23.0 |
| 36.5 | 3.5 | — | 6.5 | 23.4 |
| 37 | 4 | — | 7 | 23.7 |
| 37.5 | 4.5 | — | 7.5 | 24.0 |
| 38 | 5 | — | 8 | 24.4 |
| 38.5 | 5.5 | — | 8.5 | 24.7 |
| 39 | 6 | 6 | 9 | 25.0 |
| 39.5 | 6.5 | 6.5 | 9.5 | 25.4 |
| 40 | 7 | 7 | 10 | 25.7 |
| 40.5 | 7.5 | 7.5 | 10.5 | 26.0 |
| 41 | 8 | 8 | 11 | 26.3 |
| 41.5 | 8.5 | 8.5 | 11.5 | 26.7 |
| 42 | 9 | 9 | 12 | 27.0 |
| 42.5 | 9.5 | 9.5 | — | 27.3 |
| 43 | 10 | 10 | — | 27.7 |
| 43.5 | 10.5 | 10.5 | — | 28.0 |
| 44 | 11 | 11 | — | 28.3 |
| 44.5 | 11.5 | 11.5 | — | 28.7 |
| 45 | 12 | 12 | — | 29.0 |