Ring Size Guide
| UK Size | Inside Circumference (mm) | US Size | EU Size |
|---|---|---|---|
| F | 44.2 | 3 | 44 |
| G | 45.5 | 3.5 | 45 |
| H | 46.8 | 4 | 46 |
| I | 48.0 | 4.5 | 47 |
| J | 49.3 | 5 | 49 |
| K | 50.6 | 5.5 | 50 |
| L | 51.9 | 6 | 51 |
| M | 53.1 | 6.5 | 52 |
| N | 54.4 | 7 | 54 |
| O | 55.7 | 7.5 | 55 |
| P | 57.0 | 8 | 57 |
| Q | 58.3 | 8.5 | 58 |
| R | 59.5 | 9 | 59 |
| S | 60.8 | 9.5 | 60 |
| T | 62.1 | 10 | 62 |
| U | 63.4 | 10.5 | 63 |
| V | 64.6 | 11 | 64 |
| W | 65.9 | 11.5 | 66 |
| X | 67.2 | 12 | 67 |
| Y | 68.5 | 12.5 | 68 |
| Z | 69.7 | 13 | 69 |