Kilocalories (kcal) to calories (cal), energy conversion calculator and how to convert.
Kilocalories to calories conversion calculator
Enter the energy in kcal, select calorie unit type and press the Convert button:
Calories to kcal conversion calculator ►
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 kcal to calories
kcal to cal - small kilocalories to small calories
1 kcal = 1000 cal
The energy in small calories (cal) is equal to 1000 times the energy in small kilocalories (kcal):
E(cal) = 1000 × E(kcal)
Example
Convert 6kcal to small calories:
E(cal) = 1000 × 6kcal = 6000 cal
kcal to Cal - small kilocalories to large calories
1 Cal = 1 kcal
The energy in large calories (Cal) is equal to the energy in small kilocalories (kcal):
E(Cal) = E(kcal)
Example
Convert 6 kcal to large calories:
E(Cal) = 6 kcal = 6 Cal