Power Converter

Convert between different power units like watts, kilowatts, and horsepower.

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Unit Information

Watt (W)

Definition: The SI unit of power, equal to one joule per second.

History: Named after Scottish engineer James Watt.

Current Use: Used to measure electrical and mechanical power consumption.

Kilowatt (kW)

Definition: A unit of power equal to 1000 watts.

History: Developed with commercial electricity.

Current Use: Used to measure household and industrial power consumption.

Megawatt (MW)

Definition: A unit of power equal to one million watts.

History: Used for large-scale power generation.

Current Use: Used to measure power plant output and large electrical loads.

Gigawatt (GW)

Definition: A unit of power equal to one billion watts.

History: Used for very large power measurements.

Current Use: Used for national power grids and large power plants.

Horsepower (hp)

Definition: A unit of power equal to approximately 745.7 watts.

History: Developed by James Watt to compare steam engine power to horses.

Current Use: Used to rate engine and vehicle power.

Foot-pound per second (ft·lb/s)

Definition: A unit of power equal to the power produced by a force of one pound-force acting through one foot in one second.

History: Derived from the foot-pound and the second, commonly used in mechanical systems and power ratings.

Current Use: Used in the design and specification of mechanical systems, such as engines and turbines.

Electrical Horsepower (ehp)

Definition: A unit of power used for electrical machines, equal to 746 watts.

History: Defined for rating electric motors.

Current Use: Used in the electric motor industry.

Mechanical Horsepower (hp(I))

Definition: A unit of power, also known as imperial horsepower, equal to 745.7 watts.

History: Used for rating engines and motors.

Current Use: Common in the automotive and machinery industries.

Metric Horsepower (hp(M))

Definition: A unit of power used in Europe and Asia, equal to 735.5 watts.

History: Defined for rating engines and motors in metric countries.

Current Use: Still used in some countries for car engine ratings.

All Unit Conversions

Watt to KilowattWatt to MegawattWatt to GigawattWatt to HorsepowerWatt to Foot-pound per secondWatt to Electrical HorsepowerWatt to Mechanical HorsepowerWatt to Metric HorsepowerKilowatt to WattKilowatt to MegawattKilowatt to GigawattKilowatt to HorsepowerKilowatt to Foot-pound per secondKilowatt to Electrical HorsepowerKilowatt to Mechanical HorsepowerKilowatt to Metric HorsepowerMegawatt to WattMegawatt to KilowattMegawatt to GigawattMegawatt to HorsepowerMegawatt to Foot-pound per secondMegawatt to Electrical HorsepowerMegawatt to Mechanical HorsepowerMegawatt to Metric HorsepowerGigawatt to WattGigawatt to KilowattGigawatt to MegawattGigawatt to HorsepowerGigawatt to Foot-pound per secondGigawatt to Electrical HorsepowerGigawatt to Mechanical HorsepowerGigawatt to Metric HorsepowerHorsepower to WattHorsepower to KilowattHorsepower to MegawattHorsepower to GigawattHorsepower to Foot-pound per secondHorsepower to Electrical HorsepowerHorsepower to Mechanical HorsepowerHorsepower to Metric HorsepowerFoot-pound per second to WattFoot-pound per second to KilowattFoot-pound per second to MegawattFoot-pound per second to GigawattFoot-pound per second to HorsepowerFoot-pound per second to Electrical HorsepowerFoot-pound per second to Mechanical HorsepowerFoot-pound per second to Metric HorsepowerElectrical Horsepower to WattElectrical Horsepower to KilowattElectrical Horsepower to MegawattElectrical Horsepower to GigawattElectrical Horsepower to HorsepowerElectrical Horsepower to Foot-pound per secondElectrical Horsepower to Mechanical HorsepowerElectrical Horsepower to Metric HorsepowerMechanical Horsepower to WattMechanical Horsepower to KilowattMechanical Horsepower to MegawattMechanical Horsepower to GigawattMechanical Horsepower to HorsepowerMechanical Horsepower to Foot-pound per secondMechanical Horsepower to Electrical HorsepowerMechanical Horsepower to Metric HorsepowerMetric Horsepower to WattMetric Horsepower to KilowattMetric Horsepower to MegawattMetric Horsepower to GigawattMetric Horsepower to HorsepowerMetric Horsepower to Foot-pound per secondMetric Horsepower to Electrical HorsepowerMetric Horsepower to Mechanical Horsepower

Did you know?

  • 1 horsepower is approximately equal to 745.7 watts.
  • The average human can sustain about 0.1 horsepower of mechanical power for a few minutes.
  • A Tesla Model S motor produces over 400 horsepower.

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