| UK | US Mens | US Women's | US - Unisex (M/W) | US Youth | CM | EU |
| .5 | 2 | 1 | 32 | |||
| 1.5 | 3 | 2 | 33 1/2 | |||
| 2.5 | 4 | 3 | 35 | |||
| 3.5 | 5 | 4 | 36 | |||
| 4.5 | 5 | 6 | 5/6 | 5 | 23.5 | 37 1/2 |
| 5 | 5.5 | 6.5 | 5.5 / 6.5 | 24 | 38 | |
| 5.5 | 6 | 7 | 6/7 | 6 | 24.5 | 38 2/3 |
| 6 | 6.5 | 7.5 | 6.5/7.5 | 25 | 39 1/3 | |
| 6.5 | 7 | 8 | 7/8 | 7 | 25.5 | 40 |
| 7 | 7.5 | 8.5 | 7.5/8.5 | 25.75 | 40 2/3 | |
| 7.5 | 8 | 9 | 8/9 | 26 | 41 1/3 | |
| 8 | 8.5 | 9.5 | 8.5/9.5 | 26.5 | 42 | |
| 8.5 | 9 | 10 | 9/10 | 27 | 42 2/3 | |
| 9 | 9.5 | 10.5 | 9.5/10.5 | 27.5 | 43 1/3 | |
| 9.5 | 10 | 11 | 10/11 | 28 | 44 | |
| 10 | 10.5 | 11.5 | 10.5/11.5 | 28.5 | 44 2/3 | |
| 10.5 | 11 | 12 | 11/12 | 28.75 | 45 1/3 | |
| 11 | 11.5 | 11.5 | 29 | 46 | ||
| 11.5 | 12 | 12 | 29.5 | 46 2/3 | ||
| 12 | 12.5 | 12.5 | 30 | 47 1/3 | ||
| 12.5 | 13 | 13 | 30.5 | 48 | ||
| 13.5 | 14 | 14 | 31.25 | 49 1/3 |
