Ring Size Chart
| INSIDE DIAMETER (mm) | AUS / UK / NZ | US & CANADA |
|---|---|---|
| 13.94 | F | 3 |
| 14.14 | F 1/2 | 3.25 |
| 14.34 | G | 3.5 |
| 14.54 | G 1/2 | 3.75 |
| 14.74 | H | 4 |
| 14.94 | H 1/2 | 4.25 |
| 15.14 | I | 4.5 |
| 15.34 | I 1/2 | 4.66 |
| 15.54 | J | 4.75 |
| 15.74 | J 1/2 | 5 |
| 15.94 | K | 5.25 |
| 16.14 | K 1/2 | 5.5 |
| 16.32 | L | 5.75 |
| 16.52 | L 1/2 | 6 |
| 16.72 | M | 6.25 |
| 16.92 | M 1/2 | 6.5 |
| 17.12 | N | 6.75 |
| 17.32 | N 1/2 | 7 |
| 17.52 | O | 7.25 |
| 17.72 | O 1/2 | 7.5 |
| 17.92 | P | 7.75 |
| 18.12 | P 1/2 | 8 |
| 18.32 | Q | 8.25 |
| 18.52 | Q 1/2 | 8.5 |
| 18.72 | R | 8.75 |
| 18.92 | R 1/2 | 9 |
| 19.12 | S | 9.25 |
| 19.32 | S 1/2 | 9.5 |
| 19.52 | T | 9.75 |
| 19.72 | T 1/2 | 10 |
| 19.92 | U | 10.25 |
| 20.10 | U 1/2 | 10.5 |
| 20.30 | V | 10.75 |
| 20.50 | V 1/2 | 11 |
| 20.70 | W | 11.25 |
| 20.90 | W 1/2 | 11.5 |
| 21.10 | X | 11.75 |
| 21.30 | X 1/2 | 12 |
| 21.50 | Y | 12.25 |
| 21.70 | Z | 12.50 |