| US | UK | EU | JP (cm) |
|---|---|---|---|
| 4 | 1 | 34 | 21 |
| 4.5 | 1.5 | 34.5 | 21.5 |
| 5 | 2 | 35 | 22 |
| 5.5 | 2.5 | 35.5 | 22.5 |
| 6 | 3 | 36 | 23 |
| 6.5 | 3.5 | 36.5 | 23.5 |
| 7 | 4 | 37 | 24 |
| 7.5 | 4.5 | 37.5 | 24.5 |
| 8 | 5 | 38 | 25 |
| 8.5 | 5.5 | 38.5 | 25.5 |
| 9 | 6 | 39 | 26 |
| 9.5 | 6.5 | 39.5 | 26.5 |
| 10 | 7 | 40 | 27 |
| 10.5 | 7.5 | 40.5 | 27.5 |
| 11 | 8 | 41 | 28 |
| 11.5 | 8.5 | 41.5 | 28.5 |
| 12 | 9 | 42 | 29 |