How many calorie in 1 petawatthour?
The answer is 8.6005064742702E+17.
We assume you are converting between calorie [15 °C] and petawatthour.
You can view more details on each measurement unit: calorie or
petawatthour
The SI derived unit for energy is the joule.
1 joule is equal to 0.23890295761862 calorie, or 2.7777777777778E-19 petawatthour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between calories and petawatthour.
Type in your own numbers in the form to convert the units!

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

15 °C calorie: the amount of energy required to warm 1 g of air-free water from 14.5 °C to 15.5 °C at a constant pressure of 101.325 kPa (1 atm). Experimental values of this calorie ranged from 4.1852 J to 4.1858 J. The CIPM in 1950 published a mean experimental value of 4.1855 J, noting an uncertainty of 0.0005 J.

››Definition: Petawatthour

The SI prefix "peta" represents a factor of
10^{15}, or in exponential notation, 1E15.

So 1 petawatthour = 10^{15} .

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