Power Converter

Convert between watts, kilowatts, megawatts, horsepower and BTU/h — free, fast and private.

Your result will appear here.

How to use Power Converter

  1. Enter your value in the input box.
  2. Pick the unit to convert from and the unit to convert to.
  3. Your result appears instantly. Use Copy Result to copy it, or Clear to start over.

Note: this tool runs in your browser. Nothing is uploaded.

Frequently Asked Questions

Is this tool free?

Yes, it is 100% free with no sign-up. Your data stays in your browser.

How many watts is 1 horsepower?

1 mechanical horsepower equals 745.7 watts.

How many kilowatts is 5000 watts?

5000 watts equals 5 kilowatts.

What is BTU/h used for?

BTU per hour measures heating and cooling power — air conditioners and heaters are often rated in BTU/h.