| UK | US Men | US Women | EU | CM |
| 2.5 | 5 | 35 | 21.5 | |
| 3 | 5.5 | 33.5 | 22 | |
| 3.5 | 6 | 36 | 22.5 | |
| 4 | 5 | 6.5 | 37 | 23 |
| 4.5 | 5.5 | 7 | 37.5 | 23.5 |
| 5 | 6 | 7.5 | 38 | 24 |
| 5.5 | 6.5 | 8 | 39 | 24.5 |
| 6 | 7 | 8.5 | 39.5 | 25 |
| 6.5 | 7.5 | 9 | 40 | 25.5 |
| 7 | 8 | 9.5 | 41 | 26 |
| 7.5 | 8.5 | 10 | 41.5 | 26.5 |
| 8 | 9 | 10.5 | 42 | 27 |
| 8.5 | 9.5 | 11 | 42.5 | 27.5 |
| 9 | 10 | 43 | 28 | |
| 9.5 | 10.5 | 44 | 28.5 | |
| 10 | 11 | 44.5 | 29 | |
| 10.5 | 11.5 | 45 | 29.5 | |
| 11 | 12 | 46 | 30 | |
| 11.5 | 12.5 | 46.5 | 30.5 | |
| 12 | 13 | 47 | 31 |
| XXS | XS | S | M | L | XL | XXL | |
| Men's | 6 - 7 | 7 - 8 | 9 - 10 | 11 - 12 | |||
| Women's | 6 - 7 | 7 - 8 | 9 - 10 | 11 - 12 | |||
| Kids' | K5 - 7 | K8 - 9 | K10 - 11 | K12 - 13 | 1 - 2 | 3 - 4 | 5 - 6 |