Ring Size Guide
International size guide
| Inside Diameter/Millimeters(mm) | US and Canada | UK, Europe, and Australia | Switzerland | Asia (HK, China, Singapore, Taiwan, Japan) |
|---|---|---|---|---|
| 14.1 | 3 | F | 4 | 4 |
| 14.5 | 3.5 | G | 5.75 | N/A |
| 14.9 | 4 | H | N/A | 7 |
| 15.3 | 4.5 | I | N/A | 8 |
| 15.7 | 5 | J | N/A | 9 |
| 16.1 | 5.5 | K | N/A | 10 |
| 16.5 | 6 | L | 12.75 | 11 |
| 16.9 | 6.5 | M | 14 | 13 |
| 17.3 | 7 | N | 15.25 | 14 |
| 17.7 | 7.5 | O | 16.5 | 15 |
| 18.1 | 8 | P | 17.75 | 16 |
| 18.5 | 8.5 | Q | N/A | 17 |
| 19 | 9 | R | N/A | 18 |
| 19.4 | 9.5 | S | N/A | 19 |
| 19.8 | 10 | T | N/A | 20 |
| 20.2 | 10.5 | U | 22.75 | 22 |
| 20.6 | 11 | V | N/A | 23 |