| US Men | US Women | Europe | UK | Length (CM) |
|---|---|---|---|---|
| 4 | 5 | 36 | 3½ | 22 |
| 4½ | 5½ | 36⅔ | 4 | 22.5 |
| 5 | 6 | 37⅓ | 4½ | 23 |
| 5½ | 6½ | 38 | 5 | 23.5 |
| 6 | 7 | 38⅔ | 5½ | 24 |
| 6½ | 7½ | 39⅓ | 6 | 24.5 |
| 7 | 8 | 40 | 6½ | 25 |
| 7½ | 8½ | 40⅔ | 7 | 25.5 |
| 8 | 9 | 41⅓ | 7½ | 26 |
| 8½ | 9½ | 42 | 8 | 26.5 |
| 9 | 10 | 42⅔ | 8½ | 27 |
| 9½ | 10½ | 43⅓ | 9 | 27.5 |
| 10 | 11 | 44 | 9½ | 28 |
| 10½ | 11½ | 44⅔ | 10 | 28.5 |
| 11 | 12 | 45⅓ | 10½ | 29 |
| 11½ | 12½ | 46 | 11 | 29.5 |
| 12 | 13 | 46⅔ | 11½ | 30 |
| 12½ | 47⅓ | 12 | 30.5 | |
| 13 | 48 | 12½ | 31 | |
| 13½ | 48⅔ | 13 | 31.5 | |
| 14 | 49⅓ | 13½ | 32 | |
| 14½ | 50 | 14 | 32.5 |