| US | K10 | K11 | K12 | K13 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 |
| EU | 27 | 28.5 | 30 | 31.5 | 32.5 | 33 | 33.5 | 34.5 | 35 | 35.5 | 36 | 37 | 37.5 | 38 | 39 | 39.5 | 40 |
| CM | 17 | 17.5 | 18.5 | 19.5 | 20 | 20.5 | 21 | 21.5 | 22 | 22.25 | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 | 25.5 |
| Code | 2A | B | D | 2E | 4E |
| Women's | Narrow | Standard | Wide | Extra Wide | -- |
| Men's/Kids | __ | Narrow | Standard | Wide | Extra Wide |