Online Kilocalories to joules conversion
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Kilocalories to joules conversion
Enter the energy in calories and press the Convert button:
Kilocalories to joules
One kilocalorie, is equal to the heat needed to raise the temperature of one kilogram of water from 14.5 to 15.5 degrees Celsius.
Kilocalories can be abbreviated as kcal; for example, 1 kilocalorie can be written as 1 kcal.
When being used to measure nutrition or metabolic processes, the large calorie is used, which is equal to one kilocalorie.
The joule is the energy equal to the force on an object of one newton at a distance of one meter. One joule is equal to the heat energy dissipated by the current of one ampere through one ohm of resistance for one second.
One joule is also equal to the energy needed to move an electric charge of one coulomb through a potential difference of one volt. In addition, one joule is also equal to the one watt-second.
The joule is the SI derived unit for energy in the metric system. Joules can be abbreviated as J; for example, 1 joule can be written as 1 J.
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 JInternational kilocalories to joules
1 kcalIT
= 4186.8 JThe 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
15°C kilocalories to joules
1 kcal15 = 4185.5 J
The energy in joules E(J) is equal to 4185.5 times the energy in 15°C 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
20°C kilocalories to joules
1 kcal20 = 4182 J
The energy in joules E(J) is equal to 4182 times the energy in 20°C kilocalories E(kcal20):
E(J) = 4182 × E(kcal20)
Example
Convert 0.3 kcal20 to joules.
E(J) = 4182 × 0.3kcal20 = 1254.6 J
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