|
Ring Size |
C, In |
C, MM |
DIA, In |
DIA, MM |
| . | ||||
| 1 | 1.61 | 41 | 0.515 | 13.1 |
| 2 | 1.64 | 41.7 | 0.52 | 13.3 |
| 3 | 1.69 | 42.9 | 0.54 | 13.7 |
| 4 | 1.72 | 43.6 | 0.55 | 13.9 |
| 5 | 1.77 | 44.8 | 0.56 | 14.3 |
| 6 | 1.82 | 46.1 | 0.58 | 14.7 |
| 7 | 1.87 | 47.4 | 0.595 | 15.1 |
| 8 | 1.89 | 48 | 0.60 | 15.3 |
| 10 | 1.97 | 50 | 0.63 | 15.9 |
| 11 | 2.02 | 51.2 | 0.64 | 16.3 |
| 12 | 2.04 | 51.9 | 0.65 | 16.5 |
| 13 | 2.09 | 53.1 | 0.67 | 16.9 |
| 14 | 2.14 | 54.4 | 0.68 | 17.3 |
| 15 | 2.17 | 55.1 | 0.69 | 17.5 |
| 16 | 2.22 | 56.3 | 0.71 | 17.9 |
| 17 | 2.24 | 57 | 0.715 | 18.1 |
| 18 | 2.29 | 58.3 | 0.73 | 18.5 |
| 19 | 2.32 | 58.9 | 0.74 | 18.8 |
| 20 | 2.37 | 60.2 | 0.755 | 19.2 |
| 21 | 2.39 | 60.8 | 0.76 | 19.4 |
| 22 | 2.44 | 62.1 | 0.78 | 19.8 |
| 23 | 2.47 | 62.7 | 0.79 | 20 |
| 24 | 2.52 | 64 | 0.80 | 20.4 |
| 25 | 2.54 | 64.6 | 0.81 | 20.6 |
| 26 | 2.59 | 65.9 | 0.83 | 21 |
| 27 | 2.65 | 67.2 | 0.84 | 21.4 |
| 28 | 2.67 | 67.8 | 0.85 | 21.6 |
| 29 | 2.72 | 69.1 | 0.87 | 22 |
| 30 | 2.75 | 70 | 0.875 | 22.3 |
| 31 | 2.8 | 71 | 0.88 | 22.6 |
| 32 | 2.82 | 71.5 | 0.89 | 22.8 |