Ring Sizing Chart
| Inside Diameter MM | Inside Diameter Inches | USA, Canada, Mexico Ring Size | UK, Ireland, Australia, New Zealand, South Africa Ring Size | Germany, France Ring Size | Spain, Italy Ring Size | Japan, China, India, South America Ring Size |
|---|---|---|---|---|---|---|
| 15 mm | 0.59 | 4 | H | 46.8 | 6,5 | 7 |
| 15.6 mm | 0.62 | 5 | J | 49.3 | 9,5 | 9 |
| 16.6 mm | 0.65 | 6 | L | 51.9 | 12 | 11 |
| 17.2 mm | 0.68 | 7 | N | 54.4 | 14,5 | 14 |
| 18.1 mm | 0.71 | 8 | P | 57 | 17 | 16 |
| 19.1 mm | 0.75 | 9 | R | 59.5 | 20 | 18 |
| 19.7 mm | 0.78 | 10 | T | 62.1 | 22,5 | 20 |
| 20.7 mm | 0.81 | 11 | V | 64.6 | 25 | 23 |
| 21.6 mm | 0.84 | 12 | X | 67.2 | 27,5 | 25 |
| 22.3 mm | 0.87 | 13 | Z | 69.7 | 30 | 27 |
| 23.2 mm | 0.91 | 14 | Z+3 | 72.3 | 33 | - |
| 24.0 mm | 0.94 | 15 | Z+5 | 74.8 | 35 | - |