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How many gigajoule in 1 Cal? The answer is 4.1868E-9. We assume you are converting between gigajoule and calorie [I.T.]. You can view more details on each measurement unit: gigajoule or Cal The SI derived unit for energy is the joule. 1 joule is equal to 1.0E-9 gigajoule, or 0.2388458966275 Cal. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between gigajoules and calories. Type in your own numbers in the form to convert the units!
1 gigajoule to Cal = 238845896.6275 Cal
2 gigajoule to Cal = 477691793.25499 Cal
3 gigajoule to Cal = 716537689.88249 Cal
4 gigajoule to Cal = 955383586.50998 Cal
5 gigajoule to Cal = 1194229483.1375 Cal
6 gigajoule to Cal = 1433075379.765 Cal
7 gigajoule to Cal = 1671921276.3925 Cal
8 gigajoule to Cal = 1910767173.02 Cal
9 gigajoule to Cal = 2149613069.6475 Cal
10 gigajoule to Cal = 2388458966.275 Cal
You can do the reverse unit conversion from Cal to gigajoule, or enter any two units below:
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).
International Steam Table Calorie (1956): 1.163 mW h = 4.1868 J exactly. This definition was adopted by the Fifth International Conference on Properties of Steam (London, July 1956).
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