| US | UK | EU | WIDTH cm | WIDTH Inches | Heel to Toe (inch) |
|---|---|---|---|---|---|
| 4 | 1.5 | 33.5 | 8.5 | ||
| 4.5 | 2 | 35 | 8.8 | 3.4 | 8.7 |
| 5 | 2.5 | 36 | 8.8 | 3.4 | 9 |
| 5.5 | 3 | 37 | 8.8 | 3.4 | 9 |
| 6 | 3.5 | 37 | 8.8 | 3.4 | 9.2 |
| 6.5-7 | 4-4.5 | 38 | 9 | 3.5 | 9.5 |
| 7.5 | 5 | 39 | 9 | 3.5 | 9.8 |
| 8 | 5.5-6 | 40 | 9 | 3.5 | 10 |
| 8.5-9 | 6.5 | 41 | 9 | 3.5 | 10.3 |
| 9.5 | 7 | 42 | 9.2 | 3.6 | 10.3 |
| 10 | 7.5 | 42 | 9.5 | 3.7 | 10.5 |
| 10.5 | 8 | 42 | 9.5 | 3.7 | 10.8 |
| 11 | 9 | 43 | 9.5 | 3.7 | 10.8 |