Find Your Ring Size
International Ring Size Chart
| USA | AU | CA | UK | Circ.(mm) | Dias.(mm) |
| 5 | J1/2 | 5 | J1/2 | 49 | 16 |
| 5.5 | L | 5.5 | L | 50.5 | 16.1 |
| 6 | M | 6 | M | 52 | 16.5 |
| 6.5 | N | 6.5 | N | 53.2 | 16.9 |
| 7 | O | 7 | O | 54.5 | 17.4 |
| 7.5 | P | 7.5 | P | 55.8 | 17.8 |
| 8 | Q | 8 | Q | 57.2 | 18.2 |
| 8.5 | Q¾ | 8.5 | Q¾ | 58.2 | 18.5 |
| 9 | R¾ | 9 | R¾ | 59.3 | 18.9 |
| 9.5 | S¾ | 9.5 | S¾ | 61 | 19.4 |
| 10 | T½ | 10 | T½ | 62.3 | 19.8 |
| 10.5 | U½ | 10.5 | U½ | 63.5 | 20.2 |
| 11 | V½ | 11 | V½ | 65 | 20.7 |
| 11.5 | W¾ | 11.5 | W¾ | 66.2 | 21.1 |