Power converter
Ethical Tube's free power converter converts power output between watts, kilowatts, horsepower, and BTUs per hour as you type. Pick the units, enter a value, and the answer appears instantly in both directions, with nothing sent to a server.
1 W = 0.001 kW
- Units
- 4
- Price
- Free
- Sign-up
- Not needed
- Precision
- 6 significant digits
- Works offline
- Yes
- Ads in results
- None
All conversions
Power conversions
Good to know
About power units
- This converter uses mechanical horsepower (745.7 watts), common for engines in the US and UK. Metric horsepower (PS) is slightly smaller, 735.5 watts.
- Air conditioner ratings in BTU are BTU per hour. A 12,000 BTU unit (one ton of cooling) uses about 3.5 kW of cooling power.
FAQ
Questions, answered
Is the power converter free?
Yes. It's free, with no sign-up or ads in the results, and it works offline once the page has loaded.
How precise are the results?
Results are calculated with exact conversion factors and rounded to six significant digits, which is more precise than most everyday uses need.
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