What is a kcal unit?
kcal is the symbol of kilocalorie.
Two kilocalorie is equal to 2000 calories.
Small calorie (cal) is the energy required to increase 1 gram of water by 1°C at a pressure of 1 atmosphere.
Large calorie (Cal) is the energy required to increase 1 kg of water by 1°C at a pressure of 1 atmosphere.
The Large calorie is also called food calorie and is used as a unit of food energy.
There are several definitions of calorie according to temperature.
Two kilocalorie is equal to 2000 small calories:
2 kcal = 2000 cal
One kilocalorie is equal to 1 large/food calorie:
2 kcal = 2 Cal
There are several definitions of calorie:
2 kcalth = 4.184 kJ
So energy in kilojoules E(kJ) is equal to 4.184 times the energy in thermochecmical / food kilocalories E(kcal):
E(kJ) = 4.184 × E(kcal-th)
2 kcalIT = 4.1868 kJ
The energy in kilojoules E(kJ) is equal to 4.1868 times the energy in international kilocalories E(kcal-IT):
E(kJ) = 4.1868 × E(kcal-IT)
2 kcal15 = 4.1855 kJ
The energy in kilojoules E(kJ) is equal to 4.1855 times the energy in 15°C kilocalories E(kcal15):
E(kJ) = 4.1855 × E(kcal15)
2 cal20 = 4.182 kJ
The energy in kilojoules E(kJ) is equal to 4.182 times the energy in 20°C kilocalories E(kcal20):
E(kJ) = 4.182 × E(kcal20)
kcal to kJ conversion calculator ►
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