Power Converter
Convert power units instantly: watt, kilowatt, megawatt, milliwatt, horsepower (mechanical), metric horsepower and more. Precise factors, all units shown at once.
| Unit | Value |
|---|---|
| watt (W) | |
| kilowatt (kW) | |
| megawatt (MW) | |
| milliwatt (mW) | |
| horsepower (mechanical) (hp) | |
| metric horsepower (PS) | |
| BTU per hour (BTU/h) | |
| kilocalorie per hour (kcal/h) | |
| foot-pound per second (ft·lbf/s) | |
| ton of refrigeration (TR) | |
| erg per second (erg/s) |
Tip: double-click a row to convert from that unit. Click a value to copy it. Expressions like 3*12 are accepted.
How to use the Power Converter
- Type the value you want to convert (expressions are allowed).
- Choose the unit you are converting from.
- Read the result in every other unit in the table — it updates as you type.
About this tool
Enter a value and choose its unit; the power is converted to all 11 supported units simultaneously. Conversions use exact definitions where they exist (e.g. 1 inch = 25.4 mm, 1 lb = 0.453 592 37 kg).
Common conversions
| 1 W = 0.001 kW | 1 kW = 1000 W |
| 1 W = 0.000001 MW | 1 MW = 1 000 000 W |
| 1 W = 1000 mW | 1 mW = 0.001 W |
| 1 W = 0.0013410221 hp | 1 hp = 745.6998716 W |
| 1 W = 0.0013596216 PS | 1 PS = 735.49875 W |
| 1 W = 3.412141633 BTU/h | 1 BTU/h = 0.2930710702 W |