| Tableau de Conversion International de bagues | |||||
| . | Small | Medium | Large | X-Large | XX-Large |
| English | N | Q | T | W | Y |
| American | 6.5 | 8.5 | 10 | 11 | 12.5 |
| European | 13.75 | 18.5 | 21 | 23 | 27 |
| German | 1.7 | 1.9 | 2.0 | 2.1 | 2.2 |
| Japanese | 13 | 17 | 21 | 24 | 27 |
| gabarit | la mesure |
| Small | circa 54mm |
| Medium | circa 57mm |
| Large | circa 61mm |
| X-Large | circa 65mm |
| XX-Large | circa 69mm |