How to convert calories to kcal

 

How to convert calories (cal) to kilocalories (kcal).

Small & large calories

Small calorie (cal) is the energy needed to increase 1 gram of water by 1°C at a pressure of 1 atmosphere.

Large calorie (Cal) is the energy needed to increase 1 kg of water by 1°C at a pressure of 1 atmosphere.

Large calorie is also called food calorie and is used as a unit of food energy.

cal to kcal - small calories to small kilocalories

1 kcal = 1000 cal

The energy in small kilocalories (kcal) is equal to the energy in small calories (cal) divided by 1000:

E(kcal) = E(cal) / 1000

Example

Convert 6000cal to small kcal:

E(kcal) = 6000cal / 1000 = 6 kcal

Cal to kcal - large calories to small kilocalories

1 kcal = 1 Cal

The energy in small kilocalories (kcal) is equal to the energy in large calories (Cal):

E(kcal) = E(Cal)

Example

Convert 6Cal to kcal:

E(kcal) = 6Cal = 6kcal

 

How to convert kcal to calories ►

 

See also

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