| UK | EUR | US (MENS) | US (WOMENS) | CM |
| 2.5 | 34.5 | 3 | 4.5 | 21.5cm |
| 3 | 35 | 3.5 | 5 | 22cm |
| 3.5 | 36 | 4 | 5.5 | 22.5cm |
| 4 | 36.5 | 4.5 | 6 | 23cm |
| 4.5 | 37 | 5.5 | 7 | 23.5cm |
| 5 | 38 | 6 | 7.5 | 24cm |
| 5.5 | 38.5 | 6 | 7.5 | 24.5cm |
| 6 | 39 | 6.5 | 8 | 25cm |
| 6.5 | 40 | 7 | 8.5 | 25.5cm |
| 7 | 40.5 | 7.5 | 9 | 26cm |
| 7.5 | 41 | 8 | 9.5 | 26.5cm |
| 8 | 42 | 8.5 | 10 | 27cm |
| 8.5 | 42.5 | 9 | 10.5 | 27.5cm |
| 9 | 43 | 9.5 | 11 | 28cm |
| 9.5 | 44 | 10 | 11.5 | 28.5cm |
| 10 | 44.5 | 10.5 | 12 | 29cm |
| 10.5 | 45 | 11 | 12.5 | 29.5cm |
| 11 | 46 | 12 | 13.5 | 30cm |
| 12 | 47 | 12.5 | 14 | 31cm |
| 13 | 48 | 13.5 | 15 | 32cm |
| 14 | 49 | 14.5 | 16 | 33cm |
| 15 | 50 | 15.5 | 17 | 34cm |
