kW / kWh / HP Converter
Power units — watts, kilowatts, horsepower
Enter any value — others update automatically
Energy (assuming 1 hour runtime)
📚 Learn more — how it works, FAQ & guide Click to expand
Learn more — how it works, FAQ & guide
Click to expand
kW / HP / W power converter
Convert watts, kilowatts, horsepower, metric HP, BTU/hr.
How to use this tool
- 1
Enter value
Any power unit.
- 2
See all conversions
Simultaneous display across units.
- 3
Pick HP variant
Mechanical or metric HP (differ by ~1.4%).
Frequently Asked Questions
Mechanical vs metric HP
Mechanical HP (US): 745.7 W. Metric HP (PS, CV): 735.5 W. European cars use metric HP. 100 PS ≈ 98.6 hp.
kW vs kWh
kW = power (rate). kWh = energy (power × time). A 10 kW motor running 1 hour uses 10 kWh.
You might also like
🔒
100% Privacy. This tool runs entirely in your browser. Your data is never uploaded to any server.