| IMPERIAL Fraction | IMPERIAL Decimal | METRIC Decimal |
|---|---|---|
| 1/256″ | 0.0039 | 0.0099 |
| 1/128″ | 0.0078 | 0.0198 |
| 1/64″ | 0.0156 | 0.0397 |
| 3/128″ | 0.0234 | 0.0595 |
| 1/32″ | 0.0313 | 0.7938 |
| 5/128″ | 0.0391 | 0.0992 |
| 3/64″ | 0.0469 | 1.1906 |
| 15/256″ | 0.0586 | 1.4882 |
| 1/16″ | 0.0625 | 1.5875 |
| 5/64″ | 0.0781 | 1.9844 |
| 3/32″ | 0.0938 | 2.3813 |
| 25/256″ | 0.0977 | 2.4805 |
| 7/64″ | 0.1094 | 2.7781 |
| 15/128″ | 0.1172 | 2.9766 |
| 1/8″ | 0.125 | 3.175 |
| 9/64″ | 0.1406 | 3.5719 |
| 5/32″ | 0.1563 | 3.9688 |
| 11/64″ | 0.1719 | 4.3656 |
| 3/16″ | 0.1875 | 4.7625 |
| 25/128″ | 0.1953 | 4.9609 |
| 13/64″ | 0.2031 | 5.1594 |
| 7/32″ | 0.2188 | 5.5563 |
| 15/64″ | 0.2344 | 5.9531 |
| 1/4″ | 0.25 | 6.35 |
| 17/64″ | 0.2656 | 6.7469 |
| 9/32″ | 0.2813 | 7.1438 |
| 19/64″ | 0.2969 | 7.5406 |
| 5/16″ | 0.3125 | 7.9375 |
| 21/64″ | 0.3281 | 8.3344 |
| 11/32″ | 0.3438 | 8.7313 |
| 23/64″ | 0.3594 | 9.1281 |
| 3/8″ | 0.375 | 9.525 |
| 25/64″ | 0.3906 | 9.9219 |
| 13/32″ | 0.4063 | 10.3188 |
| 27/64″ | 0.4219 | 10.7156 |
| 7/16″ | 0.4375 | 11.1125 |
| 29/64″ | 0.4531 | 11.5094 |
| 15/32″ | 0.4688 | 11.9063 |
| 31/64″ | 0.4844 | 12.3031 |
| 1/2″ | 0.5 | 12.7 |
| 33/64″ | 0.5156 | 13.0969 |
| 17/32″ | 0.5313 | 13.4938 |
| 35/64″ | 0.5469 | 13.8906 |
| 9/16″ | 0.5625 | 14.2875 |