| US Men |
Heel to toe (cm) |
UK | EUR |
JP (cm) |
US Women |
| M7 | 24.5 | 6 | 39⅓ | 25 | W8.5 |
| M7.5 | 25 | 6.5 | 40 | 25.5 | W9 |
| M8 | 25.25 | 7 | 40⅔ | 26 | W9.5 |
| M8.5 | 25.75 | 7.5 | 41⅓ | 26.5 | W10 |
| M9 | 26.25 | 8 | 42 | 27 | W10.5 |
| M9.5 | 26.5 | 8.5 | 42⅔ | 27.5 | |
| M10 | 27 | 9 | 43⅓ | 28 | |
| M10.5 | 27.5 | 9.5 | 44 | 28.5 | |
| M11 | 27.75 | 10 | 44⅔ | 28.75 | |
| M11.5 | 28.25 | 10.5 | 45⅓ | 29.25 | |
| M12 | 28.5 | 11 | 46 | 29.5 | |
| M12.5 | 29.5 | 11.5 | 46⅔ | 30 | |
| M13 | 29.75 | 12 | 47 | 30.5 | |
| M14 | 30.5 | 13 | 48⅓ | 31.5 |
