## ››Convert watthour to terajoule

 watthour terajoule

How many watthour in 1 terajoule? The answer is 277777777.77778.
We assume you are converting between watthour and terajoule.
You can view more details on each measurement unit:
watthour or terajoule
The SI derived unit for energy is the joule.
1 joule is equal to 0.00027777777777778 watthour, 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 watthour 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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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!