Ring Sizes
iButton rings cannot be re-sized. For optimal fit, we recommend you see a jeweler to determine your size. However, you can use our paper-sizer or the the table below to determine your ring size.
| Millimeters | American Ring Sizes |
|---|---|
| 50 | 5.5 |
| 51 | 6.0 |
| 52 | 6.0 |
| 53 | 6.5 |
| 54 | 7.0 |
| 55 | 7..5 |
| 56 | 8.0 |
| 57 | 8.0 |
| 58 | 8.5 |
| 59 | 9.0 |
| 60 | 9.5 |
| 61 | 9.5 |
| 62 | 10.0 |
| 63 | 10.5 |
| 64 | 11.0 |
| 65 | 11.0 |
| 66 | 11.5 |
| 67 | 12.0 |
| 68 | 12.5 |
| 69 | 12.5 |
| 70 | 13.0 |
| 71 | 13.5 |