## ››Convert gram calorie to gigajoule

 gram calorie gigajoule

How many gram calorie in 1 gigajoule? The answer is 238902957.61862.
We assume you are converting between gram calorie and gigajoule.
You can view more details on each measurement unit:
gram calorie or gigajoule
The SI derived unit for energy is the joule.
1 joule is equal to 0.23890295761862 gram calorie, or 1.0E-9 gigajoule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between gram calories and gigajoules.
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## ››Definition: Gigajoule

The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.

So 1 gigajoule = 109 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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