Ring Size Guide
Other countries use a different scale to the U.K. you can use the table below to help you decide which size you need
| Circumference (mm) | Diameter (mm) | Europe | UK & Australia | US & Canada |
|---|---|---|---|---|
| 44.2 | 14.1 | 44 | F½ | 3 |
| 44.8 | 14.3 | 45 | G | |
| 45.5 | 14.5 | G½ | 3½ | |
| 46.1 | 14.7 | 46 | H | |
| 46.8 | 14.9 | 47 | H½ | 4 |
| 47.4 | 15.1 | I | ||
| 48.0 | 15.3 | 48 | I½ | 4½< |
| 48.7 | 15.5 | J | ||
| 49.3 | 15.7 | 49 | J½ | 5 |
| 50.0 | 15.9 | 50 | K | |
| 50.6 | 16.1 | K½ | 5½ | |
| 51.2 | 16.3 | 51 | L | |
| 51.9 | 16.5 | 52 | L½ | 6 |
| 52.5 | 16.7 | M | ||
| 53.1 | 16.9 | 53 | M½ | 6½ |
| 53.8 | 17.1 | N | ||
| 54.4 | 17.3 | 54 | N½ | 7 |
| 55.1 | 17.5 | 55 | O | |
| 55.7 | 17.7 | O½ | 7½ | |
| 56.3 | 17.9 | 56 | P | |
| 57.0 | 18.1 | 57 | P½ | 8 |
| 57.2 | 18.2 | |||
| 57.6 | 18.3 | Q | ||
| 58.3 | 18.5 | 58 | Q½ | 8½ |
| 58.9 | 18.8 | 59 | R | |
| 59.5 | 19.0 | R½ | 9 | |
| 60.2 | 19.2 | 60 | S | |
| 60.8 | 19.4 | 61 | S½ | 9½ |
| 61.4 | 19.6 | T | ||
| 62.1 | 19.8 | 62 | T½ | 10 |
| 62.7 | 20.0 | U | ||
| 63.4 | 20.2 | 63 | U½ | 10½ |
| 64.0 | 20.4 | 64 | V | |
| 64.6 | 20.6 | V½ | 11 | |
| 65.3 | 20.8 | 65 | W | |
| 65.9 | 21.0 | 66 | W½ | 11½ |
| 66.6 | 21.2 | X | ||
| 67.2 | 21.4 | 67 | X½ | 12 |
| 67.8 | 21.6 | Y | ||
| 68.5 | 21.8 | 68 | Z | 12½ |
| 69.1 | 22.0 | 69 | Z | |
| 69.7 | 22.2 | 70 | 13 | |
| 70.4 | 22.4 | Z+1 | ||
| 71.0 | 22.6 | Z+2 | 13½ |