How many calorie in 1 watthour?
The answer is 860.05064742702.
We assume you are converting between calorie [15 °C] and watthour.
You can view more details on each measurement unit: calorie or
watthour
The SI derived unit for energy is the joule.
1 joule is equal to 0.23890295761862 calorie, or 0.00027777777777778 watthour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between calories and watthour.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of calorie to watthour

1 calorie to watthour = 0.00116 watthour

10 calorie to watthour = 0.01163 watthour

50 calorie to watthour = 0.05814 watthour

100 calorie to watthour = 0.11627 watthour

200 calorie to watthour = 0.23254 watthour

500 calorie to watthour = 0.58136 watthour

1000 calorie to watthour = 1.16272 watthour

››Want other units?

You can do the reverse unit conversion from
watthour 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.

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