Unit Kit
Free Power Converter — Watts, Horsepower & BTU/Hr
Convert between 6 power units including watt, kilowatt, megawatt, horsepower, BTU per hour, and foot-pound per second. Instant results, no sign-up.
FAQ
What power units are supported?
6 units: watt (W), kilowatt (kW), megawatt (MW), horsepower (hp), BTU per hour (BTU/hr), and foot-pound per second (ft·lb/s).
How many watts is 1 horsepower?
1 mechanical horsepower equals approximately 745.7 watts.
How do I convert kilowatts to horsepower?
Multiply kW by 1.34102. For example, 100 kW = 134.1 hp.
What is the difference between mechanical and metric horsepower?
Mechanical horsepower (used in the US) = 745.7 W. Metric horsepower (PS) = 735.5 W. This converter uses mechanical horsepower.
How many BTU per hour is 1 kW?
1 kilowatt equals approximately 3,412.14 BTU per hour.