Ring Size Conversation Chart
Ring Size Conversation Chart
| U.S Size | U.K Size | EU Size | Inside Diameter (mm) | Inside Circumference (mm) |
| 3 | F 1/2 | 44 | 14.1 | 44.2 |
| 3.5 | G 1/2 | 45 | 14.5 | 45.5 |
| 4 | H 1/2 | 46.5 | 14.9 | 46.8 |
| 4.5 | I 1/2 | 47.5 | 15.3 | 48.0 |
| 5 | J 1/2 | 49 | 15.7 | 49.3 |
| 5.5 | K 1/2 | 50 | 16.1 | 50.6 |
| 6 | L 1/2 | 51.5 | 16.5 | 51.9 |
| 6.5 | M 1/2 | 52.5 | 16.9 | 53.1 |
| 7 | N 1/2 | 54 | 17.3 | 54.4 |
| 7.5 | O 1/2 | 55 | 17.7 | 55.7 |
| 8 | P 1/2 | 56.5 | 18.1 | 57.0 |
| 8.5 | Q 1/2 | 58 | 18.5 | 58.3 |
| 9 | R 1/2 | 59 | 18.9 | 59.5 |
| 9.5 | S 1/2 | 60.5 | 19.4 | 60.8 |
| 10 | T 1/2 | 61.5 | 19.8 | 62.1 |
| 10.5 | U 1/2 | 62.5 | 20.2 | 63.4 |
| 11 | V 1/2 | 64 | 20.6 | 64.5 |
| 11.5 | W 1/2 | 65 | 21.0 | 65.9 |
| 12 | X 1/2 | 66.5 | 21.4 | 67.2 |
| 12.5 | Y 1/2 | 67.5 | 21.8 | 68.5 |
| 13 | Z 1/2 | 68.5 | 22.2 | 69.7 |
🧭 How to Use This Chart
- Measure the inside diameter of a ring that fits you comfortably.
- Match the measurement to the chart above to find your U.K. ring size.
- If shopping internationally, use the corresponding U.S. or EU size for reference.
Now that you know your perfect size, explore our stunning collection of rings at The Lush Club and find the one that fits you beautifully.
