# ››Convert kilocalorie [15 °C] to calorie [15 °C]

 kilocalories calories

How many kilocalories in 1 calories? The answer is 0.001.
We assume you are converting between kilocalorie [15 °C] and calorie [15 °C].
You can view more details on each measurement unit:
kilocalories or calories
The SI derived unit for energy is the joule.
1 joule is equal to 0.00023890295761862 kilocalories, or 0.23890295761862 calories.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between kilocalories and calories.
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You can do the reverse unit conversion from calories to kilocalories, or enter any two units below:

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# ››Definition: Calorie

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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