Size Guide
| Circumference (mm) | Diameter(mm) | US |
UK & Australia |
Germany & France |
Spain & Italy |
Japan & China |
| 46.8 mm | 15 mm | 4 | H | 46.8 | 6.5 | 7 |
| 48 mm | 15.3 mm | 4.5 | I | 48 | 8 | 8 |
| 49.3 mm | 15.6 mm | 5 | J | 49.3 | 9.5 | 9 |
| 50.6 mm | 16.2 mm | 5.5 | K | 50.6 | 10.5 | 10 |
| 51.9 mm | 16.6 mm | 6 | L | 51.9 | 12 | 11 |
| 53.1 mm | 16.9 mm | 6.5 | M | 53.1 | 13.5 | 13 |
| 54.4 mm | 17.2 mm | 7 | N | 54.4 | 14.5 | 14 |
| 55.7 mm | 17.8 mm | 7.5 | O | 55.7 | 16 | 15 |
| 57.0 mm | 18.1 mm | 8 | P | 57 | 17 | 16 |
| 58.3 mm | 18.5 mm | 8.5 | Q | 58.3 | 18.5 | 17 |
| 59.5 mm | 19.1 mm | 9 | R | 59.5 | 20 | 18 |
| 60.8 mm | 19.4 mm | 9.5 | S | 60.8 | 21 | 19 |
| 62.1 mm | 19.7 mm | 10 | T | 62.1 | 22.5 | 20 |
| 63.4 mm | 20.4 mm | 10.5 | U | 63.4 | 23.5 | 22 |
| 64.6 mm | 20.7 mm | 11 | V | 64.6 | 25 | 23 |
| 65.9 mm | 21.0 mm | 11.5 | W | 65.9 | 26 | 24 |
| 67.2 mm | 21.6 mm | 12 | X | 67.2 | 27.5 | 25 |
Having trouble finding your ring size? Check out our guide on how to find your ring size here.
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