## ››Convert gigajoule to gigacalorie [15 °C]

 gigajoule gigacalorie

 Did you mean to convert gigajoule to gigacalorie [15 °C] gigacalorie [I.T.]

How many gigajoule in 1 gigacalorie? The answer is 4.1858.
We assume you are converting between gigajoule and gigacalorie [15 °C].
You can view more details on each measurement unit:
gigajoule or gigacalorie
The SI derived unit for energy is the joule.
1 joule is equal to 1.0E-9 gigajoule, or 2.3890295761862E-10 gigacalorie.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between gigajoules and gigacalories.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of gigajoule to gigacalorie

1 gigajoule to gigacalorie = 0.2389 gigacalorie

5 gigajoule to gigacalorie = 1.19451 gigacalorie

10 gigajoule to gigacalorie = 2.38903 gigacalorie

20 gigajoule to gigacalorie = 4.77806 gigacalorie

30 gigajoule to gigacalorie = 7.16709 gigacalorie

40 gigajoule to gigacalorie = 9.55612 gigacalorie

50 gigajoule to gigacalorie = 11.94515 gigacalorie

75 gigajoule to gigacalorie = 17.91772 gigacalorie

100 gigajoule to gigacalorie = 23.8903 gigacalorie

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You can do the reverse unit conversion from gigacalorie to gigajoule, or enter any two units below:

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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).

## ››Metric conversions and more

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!