Calories to kcal conversion

Calories (cal) to kilocalories (kcal), energy conversion calculator and how to convert.

Calories to kcal conversion calculator

Select calorie unit type, enter the energy in calories and press the Convert button:

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.

How to convert calories to kcal

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:

Convert 6000cal to small kcal:

Cal to kcal - large calories to small kilocalories

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