| EU | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
| US | 6.5 | 7 | 7.5 | 8.5 | 9 | 9.5 | 10.5 | 11.5 | 12 | 13 | 13.5 |
| UK | 5 | 5.5 | 6 | 7 | 7.5 | 8.5 | 9 | 10 | 11 | 1.5 | 12 |
| CM | 12.3 - 12.8 | 12.9 - 13.5 | 13.6 - 14.2 | 14.3 - 14.8 | 14.9 - 15.5 | 15.6 - 16.2 | 16.3 - 16.8 | 16.9 - 17.5 | 17.6 - 18.2 | 18.3 - 18.8 | 18.9 - 19.5 |