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calorie [15 °C] calorie [I.T.] calorie [nutritional] calorie [thermochemical] |

How many kilogram calorie in 1 cal?
The answer is 0.001.

We assume you are converting between **kilogram calorie** and **calorie [15 °C]**.

You can view more details on each measurement unit:

kilogram calorie or
cal

The SI derived unit for **energy** is the joule.

1 joule is equal to 0.000238902957619 kilogram calorie, or 0.238902957619 cal.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between kilogram calories and calories.

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The large calorie or kilogram calorie approximates the energy needed to increase the temperature of 1 kg of water by 1 °C. This is about 4.185 kJ, and exactly 1000 small calories.

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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