Convert Watt to Electrical Horsepower

Please provide values below to convert Watt [W] to Electrical Horsepower [ehp]

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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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Convert Watt to Electrical Horsepower

How this conversion works

Converting Watt (W) to Electrical Horsepower (ehp) is straightforward with Unitly. We apply lossless base-unit math under the hood so you get consistent answers whether you are auditing data pipelines, planning infrastructure, or double-checking homework.

Quick reference: 1 W equals 0.001340482574 ehp. Conversely, 1 ehp equals 746 W. Combine these ratios with the in-page calculator to convert any value instantly.

About Watt

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.

About Electrical Horsepower

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.

Related conversions

Questions people ask

How do I convert between watts and horsepower?
To convert watts to horsepower, divide the number of watts by 746. For horsepower to watts, multiply by 746.
What is a kilowatt?
A kilowatt (kW) is 1,000 watts, a standard unit of power in the metric system.
What is the difference between mechanical and electrical horsepower?
Mechanical horsepower is used for engines and motors, while electrical horsepower is used for electric motors. Their values differ slightly.
Is this power converter accurate?
Yes, our converter uses up-to-date and precise conversion factors for all supported power units.

Need to cite your work? Pair these explanations with our JSON-LD schema (already embedded on the page) so search engines and analytics platforms understand the context behind each conversion.