Dear Frances
| EU | UK | US | Distance heel to toe (cm) |
| 34 | 1 | 4 | 20.5 - 21.5 |
| 35 | 2 | 5 | 21.5 - 22.5 |
| 35.5 | 2.5 | 5.5 | 22 - 23 |
| 36 | 3 | 6 | 22.5 - 23.5 |
| 36.5 | 3.5 | 6.5 | 23 - 24 |
| 37 | 4 | 7 | 23.5 - 24.5 |
| 37.5 | 4.5 | 7.5 | 24 - 25 |
| 38 | 5 | 8 | 24.5 - 25.5 |
| 38.5 | 5.5 | 8.5 | 25 - 26 |
| 39 | 6 | 9 | 25.5 - 26.5 |
| 39.5 | 6.5 | 9.5 | 26 - 27 |
| 40 | 7 | 10 | 26.5 - 27.5 |
| 40.5 | 7.5 | 10.5 | 27 - 28 |
| 41 | 8 | 11 | 27.5 - 28.5 |
| 42 | 9 | 12 | 28.5 - 29.5 |