| US Men | Inches | CM | Euro | UK |
|---|---|---|---|---|
| 7 | 9¹¹/₁₆ | 25 | 40 | 6 |
| 7.5 | 9¾ | 25.5 | 40.5 | 6.5 |
| 8 | 9¹⁵/₁₆ | 26 | 41 | 7 |
| 8.5 | 10¹/₁₆ | 26.5 | 42 | 7.5 |
| 9 | 10¼ | 27 | 42.5 | 8 |
| 9.5 | 10⁷⁄₁₆ | 27.5 | 43 | 8.5 |
| 10 | 10⁹⁄₁₆ | 28 | 44 | 9 |
| 10.5 | 10¾ | 28.5 | 44.5 | 9.5 |
| 11 | 10¹⁵⁄₁₆ | 29 | 45 | 10 |
| 11.5 | 11¹⁄₁₆ | 29.5 | 45.5 | 10.5 |
| 12 | 11¼ | 30 | 46 | 11 |
| 12.5 | 11½ | 30.5 | 47 | 11.5 |
| 13 | 11¹¹⁄₁₆ | 31 | 47.5 | 12 |