Ring Sizes
| Ring Sizing | ||||
| European | British | USA |
Inside Circumference (mm) |
Inside Diameter (mm) |
| 5 | G | 4 | 45 | 14,0 |
| 6 | H | 4+ | 46 | 14,3 |
| 7 | 47 | 14,6 | ||
| 8 | I | 5 | 48 | 15,0 |
| 9 | J | 49 | 15,3 | |
| 10 | K | 6- | 50 | 15,6 |
| 11 | L | 6 | 51 | 16,0 |
| 12 | 52 | 16,3 | ||
| 13 | M | 53 | 16,6 | |
| 14 | N |
6+ 7 |
54 | 17,0 |
| 15 | O | 55 | 17,3 | |
| 16 | 7+ | 56 | 17,6 | |
| 17 | P | 8 | 57 | 18,0 |
| 18 | Q | 58 | 18,3 | |
| 19 | R | 9 | 59 | 18,6 |
| 20 | S | 60 | 19,0 | |
| 21 | 9+ | 61 | 19,3 | |
| 22 | T | 10 | 62 | 19,6 |
| 23 | U | 63 | 20,0 | |
| 24 | V | 11- | 64 | 20,3 |
| 25 | 11 | 65 | 20,6 | |
| 26 | W | 66 | 21,0 | |
| 27 | X | 12 | 67 | 21,3 |
| 28 | Y | 68 | 21,6 | |
| 29 | Z | 13- | 69 | 22,0 |
| 30 | 13 | 70 | 22,3 | |
| 31 | Z+ | 71 | 22,6 | |
| 32 | 14 | 72 | 23,0 | |
| 33 | Z++ | 73 | 23,3 | |
| 34 | 74 | 23,6 | ||