| FINGER CIRCUMFERENCE IN MM | DIAMETER OF THE RING IN MM | EUROPE | USA & UK | JAPAN |
| 44 | 14.01 | 44 | 3 | 4 |
| 45 | 14.33 | 45 | 3 1/4 | 5 |
| 46 | 14.65 | 46 | 3 3/4 | 6 |
| 47 | 14.97 | 47 | 4 | 7 |
| 48 | 15.29 | 48 | 4 1/2 | 8 |
| 49 | 15.61 | 49 | 4 3/4 | 9 |
| 50 | 15.92 | 50 | 5 1/4 | 10 |
| 51 | 16.24 | 51 | 5 3/4 | 11 |
| 52 | 16.56 | 52 | 6 | 12 |
| 53 | 16.88 | 53 | 6 1/4 | 13 |
| 54 | 17.2 | 54 | 6 3/4 | 14 |
| 55 | 17.52 | 55 | 7 1/4 | 15 |
| 56 | 17.83 | 56 | 7 1/2 | 16 |
| 57 | 18.15 | 57 | 8 | 17 |
| 58 | 18.47 | 58 | 8 1/4 | 18 |
| 59 | 18.79 | 59 | 8 3/4 | 19 |
| 60 | 19.11 | 60 | 9 | 20 |
| 61 | 19.43 | 61 | 9 1/2 | 21 |
| 62 | 19.75 | 62 | 10 | 22 |
| 63 | 20.06 | 63 | 10 1/4 | 23 |
| 64 | 20.38 | 64 | 10 3/4 | 24 |
| 65 | 20.7 | 65 | 11 | 25 |
| 66 | 21.02 | 66 | 11 1/2 | 26 |
| 67 | 21.34 | 67 | 11 3/4 | 27 |
| 68 | 21.66 | 68 | 12 1/4 | 28 |
| 69 | 21.97 | 69 | 12 1/2 | 29 |
| 70 | 22.29 | 70 | 13 | 30 |
| 71 | 22.61 | 71 | 13 1/4 | 31 |