Power Converter

Convert between different units of power measurement.

About Power Converter

This converter tool allows you to convert between different power units used in engineering, physics, HVAC, automotive, and energy sectors.

Common Power Conversions

From To Conversion Factor
1 watt 0.00134102 horsepower Multiply by 0.00134102
1 kilowatt 3412.14 BTU/hour Multiply by 3412.14
1 megawatt 284.345 tons of refrigeration Multiply by 284.345
1 horsepower 745.7 watts Multiply by 745.7
1 BTU/hour 0.293071 watts Multiply by 0.293071
1 ton of refrigeration 3.51685 kilowatts Multiply by 3.51685
1 foot pound-force/second 1.35582 watts Multiply by 1.35582
1 kilocalorie (IT)/hour 1.163 watts Multiply by 1.163

Did You Know?

  • The watt is named after James Watt, the Scottish inventor who developed the steam engine.
  • Horsepower was originally created to compare the output of steam engines with the power of draft horses.
  • One ton of refrigeration is the power required to melt one ton of ice in 24 hours.
  • The erg/second is a CGS unit of power where 1 erg/second = 10⁻⁷ watts.
  • Pferdestärke (PS) is the German name for metric horsepower, slightly different from mechanical horsepower.