## ››Convert calorie [nutritional] to petajoule

 calorie [nutritional] petajoule

 Did you mean to convert calorie [15 °C] calorie [I.T.] calorie [nutritional] calorie [thermochemical] to petajoule

How many calorie [nutritional] in 1 petajoule? The answer is 238845896627.5.
We assume you are converting between calorie [nutritional] and petajoule.
You can view more details on each measurement unit:
calorie [nutritional] or petajoule
The SI derived unit for energy is the joule.
1 joule is equal to 0.0002388458966275 calorie [nutritional], or 1.0E-15 petajoule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between calories and petajoules.
Type in your own numbers in the form to convert the units!

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## ››Definition: Calorie

A calorie refers to a non-SI unit of energy. There are two common but different meanings: one is used in food and nutrition, the other was formerly widely used in chemistry, and a food calorie represents 1000 chemistry calories. The food calorie is sometimes capitalized as Calorie to distinguish it from the chemistry calorie; however, this capitalization is rarely observed in practice.

## ››Definition: Petajoule

The SI prefix "peta" represents a factor of 1015, or in exponential notation, 1E15.

So 1 petajoule = 1015 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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