 |  |  |  |  |  |
 |  |  |  |  |
 |  |  |  |
| Ring Size |
Length in Inches |
Length in Millimeters |
| 3 |
1 11/16 |
42.8 |
| 3 1/2 |
1 3/4 |
44.4 |
| 4 |
1 13/16 |
46 |
| 4 1/2 |
1 7/8 |
47.6 |
| 5 |
1 15/16 |
49.2 |
| 5 1/2 |
2 |
50.8 |
| 6 |
2 1/16 |
52.4 |
| 6 1/2 |
2 1/8 |
54 |
| 7 |
2 3/16 |
55.6 |
| 7 1/2 |
2 1/4 |
57.2 |
| 8 |
2 5/16 |
58.7 |
| 8 1/2 |
2 3/8 |
60.3 |
| 9 |
2 7/16 |
61.9 |
| 9 1/2 |
2 1/2 |
63.5 |
| 10 |
2 9/16 |
65.1 |
| 10 1/2 |
2 5/8 |
66.7 |
| 11 |
2 11/16 |
68.3 |
| 11 1/2 |
2 3/4 |
69.9 |
| 12 |
2 13/16 |
71.5 |
| 12 1/2 |
2 7/8 |
73.1 |
| 13 |
2 15/16 |
74.7 |
