Kilocalories to joules conversion
Kilocalories (kcal) to joules (J), energy conversion calculator and how to convert.
kcal to joules conversion calculator
Enter the energy in calories and press the Convert button:
How to convert from kcal to joules
Thermochemical / food kilocalories to joules
1 kcalth = 4184 J
The energy in joules E(J) is equal to 4184 times the energy in thermochemical / food kilocalories E(kcal):
E(J) = 4184 × E(kcal-th)
Example
Convert 0.3 kcalth to joules.
E(J) = 4184 × 0.3 kcalth = 1255.2 J
International kilocalories to joules
1 kcalIT = 4186.8 J
The energy in joules E(J) is equal to 4186.8 times the energy in international kilocalories E(kcal-IT):
E(J) = 4186.8 × E(kcal-IT)
Example
Convert 0.3 kcalIT to joules.
E(J) = 4186.8 × 0.3kcalIT = 1256.04 J
15ºC kilocalories to joules
1 kcal15 = 4185.5 J
The energy in joules E(J) is equal to 4185.5 times the energy in 15ºC kilocalories E(kcal15):
E(J) = 4185.5 × E(kcal15)
Example
Convert 0.3 kcal15 to joules.
E(J) = 4185.5 × 0.3kcal15 = 1255.65 J
20ºC kilocalories to joules
1 kcal20 = 4182 J
The energy in joules E(J) is equal to 4182 times the energy in 20ºC kilocalories E(kcal20):
E(J) = 4182 × E(kcal20)
Example
Convert 0.3 kcal20 to joules.
E(J) = 4182 × 0.3kcal20 = 1254.6 J
See also