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Category: Converters

Power Converter

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Convert watts, kilowatts, horsepower and more

Convert between watts, kilowatts, megawatts, mechanical horsepower, metric horsepower and BTU per hour using fixed, published ratios.

Result13.410221

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What this tool does

Each power unit is defined as a fixed ratio to one watt. Mechanical horsepower (745.699871... W) and metric horsepower (735.49875 W) are distinct, standard definitions, both applied exactly rather than rounded.

How to use it

  1. Enter a power value.
  2. Choose the unit you're converting from and to.
  3. The converted value appears immediately.

Privacy

This tool runs entirely in your browser. Your input is never uploaded, stored or shared — closing the tab removes it.

Frequently asked questions

Is mechanical horsepower the same as metric horsepower?
No. Mechanical (imperial) horsepower is 745.699871582 watts, while metric horsepower (PS) is 735.49875 watts — about 1.4% smaller.
How many watts are in a kilowatt?
One kilowatt equals exactly 1,000 watts, the ratio applied directly by this converter.

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