| European | 35 | 35.5 | 36 | 37 | 37.5 | 38 | 38.5 | 39 | 40 | 41 | 42 |
| U.K. Women | 2.3 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 |
| U.S. Women | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 |
| Centimeters | 22.8 | 23.1 | 23.5 | 23.8 | 24.1 | 24.5 | 24.8 | 25.1 | 25.4 | 25.7 | 26 |
| Inches | 8.69" | 8.81" | 9" | 9.19" | 9.31" | 9.5" | 9.69" | 9.89" | 10" | 10.19" | 10.31" |