51.2660—Metric conversion table.
| Inches | Millimeters (mm) |
|---|---|
| 8/64 equals | 3.2 |
| 16/64 equals | 6.4 |
| 24/64 equals | 9.5 |
| 32/64 equals | 12.7 |
| 40/64 equals | 15.9 |
| 48/64 equals | 19.1 |
| 51/64 equals | 20.2 |
| 52/64 equals | 20.6 |
| 54/64 equals | 21.4 |
| 56/64 equals | 22.2 |
| 1 equals | 25.4 |
| 18/64 equals | 28.6 |
| 116/64 equals | 31.8 |
| 124/64 equals | 34.9 |