| Metric | English | Decimal |
| 1mm | | 0.03937 |
| | 3/64 | .0469 |
| | 1/16 | 0.0625 |
| | 5/64 | .0781 |
| 2mm | | 0.07874 |
| | 3/32 | 0.0937 |
| | 7/64 | 0.1094 |
| 3mm | | 0.11811 |
| | 1/8 | 0.1250 |
| | 9/64 | 0.1406 |
| | 5/32 | 0.1562 |
| 4mm | | 0.15748 |
| | 11/64 | 0.1719 |
| | 3/16 | 0.1875 |
| 5mm | | 0.19685 |
| | 13/64 | 0.2031 |
| | 7/32 | 0.2187 |
| | 15/64 | 0.2344 |
| 6mm | | 0.23622 |
| | 1/4 | 0.2500 |
| 7mm | | 0.27559 |
| | 9/32 | 0.2812 |
|
|
| Metric | English | Decimal |
| | 5/16 | 0.3125 |
| 8mm | | 0.31496 |
| | 11/32 | 0.3437 |
| 9mm | | 0.35433 |
| | 3/8 | 0.3750 |
| 10mm | | 0.39370 |
| | 13/32 | 0.4062 |
| 11mm | | 0.43307 |
| | 7/16 | 0.4375 |
| | 15/32 | 0.4687 |
| 12mm | | 0.47244 |
| | 1/2 | 0.5000 |
| 13mm | | 0.51181 |
| 14mm | | 0.55118 |
| | 9/16 | 0.5625 |
| 15mm | | 0.59055 |
| | 5/8 | 0.6250 |
| 16mm | | 0.62992 |
| 17mm | | 0.66929 |
| | 11/16 | 0.6875 |
| 18mm | | 0.70866 |
| 19mm | | 0.74803 |
|
|
| Metric | English | Decimal |
| | 3/4 | 0.7500 |
| 20mm | | 0.78740 |
| | 13/16 | 0.8125 |
| 21mm | | 0.82677 |
| 22mm | | 0.86614 |
| | 7/8 | 0.8750 |
| 23mm | | 0.90551 |
| | 15/16 | 0.9375 |
| 24mm | | 0.94488 |
| 25mm | | 0.98425 |
| | 1 inch | 1.0000 |
| 26mm | | 1.02362 |
| | 1-1/16 | 1.0625 |
| 27mm | | 1.06299 |
| 28mm | | 1.10236 |
| | 1-1/8 | 1.125 |
| 29mm | | 1.14173 |
| 30mm | | 1.1811 |
| | 1-3/16 | 1.1875 |
| 31mm | | 1.22047 |
| | 1-1/4 | 1.250 |
| 32mm | | 1.25984 |
|
FAQS
