Refer to the following ring size chart for sizing accuracy:
Please note that circumference (mm) is the most accurate form of measurement. If you have any questions, our inbox is always open!
| AU | US | Circumference (mm) |
| D | 2 | 41.5 |
| D1/2 | 2.25 | 42.13 |
| E | 2.5 | 42.76 |
| E1/2 | 2.75 | 43.45 |
| F | 3 | 44.14 |
| F 3/4 | 3.25 | 44.77 |
| G1/4 | 3.5 | 45.4 |
| H | 3.75 | 46.02 |
| H 1/2 | 4 | 46.68 |
| I | 4.25 | 47.25 |
| I 1/2 | 4.5 | 47.97 |
| J 1/4 | 4.75 | 48.79 |
| J 1/2 | 5 | 49.32 |
| K 1/4 | 5.25 | 49.95 |
| L | 5.5 | 50.58 |
| L 1/4 | 5.75 | 51.21 |
| M | 6 | 51.87 |
| M 1/2 | 6.25 | 52.5 |
| N | 6.5 | 53.16 |
| N 1/2 | 6.75 | 53.82 |
| O | 7 | 54.51 |
| O 1/2 | 7.25 | 54.82 |
| P | 7.5 | 55.76 |
| P 1/2 | 7.75 | 56.45 |
| Q | 8 | 57.15 |
| Q 1/2 | 8.25 | 57.65 |
| Q 3/4 | 8.5 | 58.21 |
| R1/4 | 8.75 | 58.72 |
| R 3/4 | 9 | 59.34 |
| S 1/4 | 9.25 | 60.38 |
| S 3/4 | 9.5 | 60.98 |
| T 1/4 | 9.75 | 61.64 |
| T 1/2 | 10 | 62.33 |
| U | 10.25 | 62.89 |
| U 1/2 | 10.5 | 63.46 |
| V 1/4 | 10.75 | 64.21 |
| V 1/2 | 11 | 64.97 |
| W 1/4 | 11.25 | 65.5 |
| W 3/4 | 11.5 | 66.22 |
| X 1/4 | 11.75 | 66.73 |
| Y | 12 | 67.51 |
| Y 1/2 | 12.25 | 68.14 |
| Z | 12.5 | 68.77 |
| Z +1/2 | 12.75 | 69.43 |
| Z+1 | 13 | 70.15 |
| Z+1.5 | 13.25 | 71 |
| Z+2 | 13.5 | 71.28 |
| Z+3 | 14 | 72.45 |
| Z+4 | 14.5 | 73.73 |
| Z+5 | 15 | 74.99 |