How to Convert Horsepower to kW

How to Convert Horsepower to kW thumbnail
The term horsepower was used to describe power in a unit familiar to most people.

Both horsepower (hp) and kilowatts (kw) are units of power. As such, converting between the two is a straightforward calculation. The term horsepower was coined by the Scottish engineer James Watt to market steam engines in a power rating familiar to most people of the time. One horsepower is equivalent to 746 watts, or 0.746 kilowatts. The term watt was named after James Watt.

Instructions

    • 1

      Reference the horsepower of the engine. This is usually listed on the specification list of the owner's manual.

    • 2

      Use the formula: Kilowatts equals horsepower multiplied by 0.746.

    • 3

      Plug in your data to perform the calculation. As an example, if you referenced that your car had a burly 400 horsepower, then you would multiply 400 by 0.746. This equates to 298.4 kilowatts.

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References

  • Photo Credit Horsepower 1 image by kingfisher from Fotolia.com

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