Power Converter
Converted Values
About Power Units
Power measures the rate of energy transfer. The SI unit is the watt (W), equal to one joule per second. Horsepower was originally defined by James Watt to compare steam engine output to draft horses.
- 1 kW = 1000 W
- 1 HP (mechanical) = 745.7 W
- 1 HP (electric) = 746 W
- 1 BTU/h = 0.29307 W