US | UK | Europe | Length (inch) | Length (cm) | Girth (inch) | Girth (cm) |
6 | 4 | 37 | 9.1 | 23.1 | 8.3 | 21.2 |
6.5 | 4.5 | 37 | 9.2 | 23.5 | 8.5 | 21.5 |
7 | 5 | 38 | 9.4 | 23.9 | 8.6 | 21.8 |
7.5 | 5.5 | 38 | 9.6 | 24.3 | 8.7 | 22.1 |
8 | 6 | 39 | 9.7 | 24.7 | 8.8 | 22.4 |
8.5 | 6.5 | 39 | 9.9 | 25.2 | 9 | 22.8 |
9 | 7 | 40 | 10.1 | 25.6 | 9.1 | 23.1 |
10 | 8 | 41 | 10.4 | 26.4 | 9.3 | 23.7 |