Power Converter — Free Online Tool

Convert Watts, kilowatts, horsepower, BTU/hr and more. Power Converter is a free online tool from the ToolsRift Unit Converters collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.

Loading Power Converter…

How to use Power Converter

  1. Open the Power Converter above — it loads instantly, no account needed.
  2. Enter or upload your input. Everything is processed locally on your device.
  3. Get your result immediately and copy or download it with one click.

Frequently asked questions

How many watts in a horsepower?

1 mechanical horsepower = 745.7 watts; 1 metric horsepower (PS) = 735.5 watts.

How do I convert kW to horsepower?

Multiply kilowatts by 1.34102 to get mechanical horsepower.

What is BTU/hr used for?

BTU per hour rates the heating or cooling power of air conditioners and furnaces; 1 BTU/hr ≈ 0.293 watts.

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