How many femtojoule in 1 horsepower hour?
The answer is 2.6845195E+21.
We assume you are converting between femtojoule and horsepower hour.
You can view more details on each measurement unit:
femtojoule or horsepower hour
The SI derived unit for energy is the joule.
1 joule is equal to 1.0E+15 femtojoule, 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 femtojoules 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 femtojoule, or enter any two units below:
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femtojoule to Q unit
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femtojoule to kiloelectron volt
femtojoule to megacalorie
femtojoule to dekajoule
femtojoule to kilojoule
femtojoule to Btu
The SI prefix "femto" represents a factor of 10-15, or in exponential notation, 1E-15.
So 1 femtojoule = 10-15 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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