US English/Metric Conversion
In order to convert English units to metric units, multiply the English units by the conversion factor shown in the conversion table.
In order to convert metric units to English units, divide the metric units by the conversion factor shown in the conversion table.
US English/Metric Conversion
| English | Multiply/Divide by | Metric |
|---|---|---|
| LENGTH | ||
| in | 25.4 | mm |
| ft | 0.3048 | m |
| yd | 0.9144 | |
| mi | 1.609 | km |
| AREA | ||
| sq in | 645.2 | sq mm |
| 6.45 | sq cm | |
| sq ft | 0.0929 | sq m |
| sq yd | 0.8361 | |
| VOLUME | ||
| cu in | 16,387.0 | cu mm |
| 16.397 | cu cm | |
| 0.0164 | L | |
| qt | 0.9464 | |
| gal | 3.7854 | |
| cu yd | 0.7646 | cu m |
| MASS | ||
| lb | 0.4536 | kg |
| ton | 907.18 | |
| 0.907 | tonne (t) | |
| FORCE | ||
| kg | 9.807 | Newtons (N) |
| oz. | 0.2780 | |
| lb | 4.448 | |
| ACCELERATION | ||
| ft/s2 | 0.3048 | m/s2 |
| in/s2 | 0.0254 | |
| TORQUE | ||
| lb in | 0.11298 | N.m |
| lb ft | 1.3558 | |
| POWER | ||
| hp | 0.746 | kW |
| PRESSURE (STRESS) | ||
| inches of Mercury | 3.377 | kPa |
| inches of H2O | 0.2491 | kPa |
| lb/sq in | 6.895 | |
| LIGHT | ||
| Foot Candle | 10.764 | lm/m2 |
| VELOCITY | ||
| mph | 1.6093 | km/h |
| TEMPERATURE | ||
| °F | 5/9(°F-32) | °C |
| °C | 9/5(°C+32) | °F |
| FUEL PERFORMANCE | ||
| mpg | 2.3527 | L/km |