How many kilojoule in 1 horsepower hour?
The answer is 2684.5195.
We assume you are converting between kilojoule and horsepower hour.
You can view more details on each measurement unit:
kilojoule or horsepower hour
The SI derived unit for energy is the joule.
1 joule is equal to 0.001 kilojoule, or 3.7250614122937E-7 horsepower hour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between kilojoules and horsepower hours.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from horsepower hour to kilojoule, or enter any two units below:
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The SI prefix "kilo" represents a factor of 103, or in exponential notation, 1E3.
So 1 kilojoule = 103 joules.
The definition of a joule is as follows:
The joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work. The unit is pronounced to rhyme with "tool", and is named in honor of the physicist James Prescott Joule (1818-1889).
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