## ››Convert horsepower hour to terajoule

 horsepower hour terajoule

How many horsepower hour in 1 terajoule? The answer is 372506.14122937.
We assume you are converting between horsepower hour and terajoule.
You can view more details on each measurement unit:
horsepower hour or terajoule
The SI derived unit for energy is the joule.
1 joule is equal to 3.7250614122937E-7 horsepower hour, or 1.0E-12 terajoule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between horsepower hours and terajoules.
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## ››Definition: Terajoule

The SI prefix "tera" represents a factor of 1012, or in exponential notation, 1E12.

So 1 terajoule = 1012 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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