FitFlop - Women
| CM | US/AU | Euro | UK |
| 21.6-22.4 | 5 | 36 | 3 |
| 22.5-23.3 | 6 | 37 | 4 |
| 22.9-23.7 | 6.5 | 37.5 | 4.5 |
| 23.3-24.1 | 7 | 38 | 5 |
| 23.7-24.5 | 7.5 | 38.5 | 5.5 |
| 24.2-25.0 | 8 | 39 | 6 |
| 24.6-25.4 | 8.5 | 40 | 6.5 |
| 25.0-25.8 | 9 | 41 | 7 |
| 25.5-26.2 | 9.5 | 41.5 | 7.5 |
| 25.8-26.6 | 10 | 42 | 8 |
| 26.7-27.4 | 11 | 43 | 9 |
| 27.5-28.3 | 12 | 44 | 10 |
| 28.4-29.1 | 13 | 45 | 11 |