| Inches | Millimeters (mm) | 
|---|---|
| 1/4 equals | 6.4 | 
| 5/16 equals | 7.9 | 
| 3/8 equals | 9.5 | 
| 1/2 equals | 12.7 | 
| 5/8 equals | 15.9 | 
| 3/4 equals | 19.1 | 
| 7/8 equals | 22.2 | 
| 1 equals | 25.4 | 
| 11/4 equals | 31.8 | 
| 23/16 equals | 55.6 | 
| 24/16 equals | 57.2 | 
| 27/16 equals | 61.9 | 
| 28/16 equals | 63.5 | 
| 29/16 equals | 65.1 | 
| 211/16 equals | 68.3 | 
| 212/16 equals | 69.9 | 
| 215/16 equals | 74.6 | 
| 31/16 equals | 77.8 | 
| 33/16 equals | 81.0 | 
| 35/16 equals | 84.1 | 
| 37/16 equals | 87.3 | 
| 39/16 equals | 90.5 | 
| 313/16 equals | 96.8 |