Conversion Chart
| Millimetre (mm) | Fraction of inch | Thousandth of inch |
| 0.5 | .020 | |
| 0.7 | .028 | |
| 0.8 | 1/32 | .032 |
| 0.9 | .036 | |
| 1.0 | .039 | |
| 1.1 | .043 | |
| 1.2 | 3/64 | .047 |
| 1.3 | .051 | |
| 1.4 | .055 | |
| 1.5 | .059 | |
| 1.6 | 1/16 | .063 |
| 1.7 | .067 | |
| 1.8 | .071 | |
| 1.9 | .075 | |
| 2.0 | 5/64 | .079 |
| 2.2 | .087 | |
| 2.3 | 3/32 | .091 |
| 2.6 | .102 | |
| 2.7 | .106 | |
| 2.8 | 7/64 | .110 |
| 3.1 | .122 | |
| 3.3 | 1/8 | .130 |
| 3.5 | .138 |
