Take a ring and place it on a scale.
| INDIAN RING SIZE | CIRCUMFERENCE (MM) |
|---|---|
| 6 | 46.00 |
| 7 | 47.30 |
| 8 | 48.60 |
| 9 | 49.90 |
| 10 | 51.20 |
| 11 | 52.50 |
| 12 | 53.80 |
| 13 | 55.10 |
| 14 | 56.40 |
| 15 | 57.70 |
| 16 | 59.00 |
| 17 | 60.30 |
| 18 | 61.60 |
| 19 | 62.90 |
| 20 | 64.20 |
| 21 | 65.50 |
| 22 | 66.80 |
| 23 | 68.10 |
| 24 | 69.40 |
| 25 | 70.70 |
| 26 | 72.00 |
| 27 | 73.30 |
| 28 | 74.60 |
| 29 | 75.90 |
| 30 | 77.20 |
