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Kilocalories to kilojoules conversion FullScreen

Kilocalories to kilojoules (kJ) conversion is the process of converting energy values from kilocalories (kcal) to kilojoules. To convert kilocalories to kilojoules, you need to multiply the value in kilocalories by 4.184.

Select calorie unit type:
   
Energy result in kilojoules: kJ


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What is Kilocalories to kilojoules conversion

To convert kilocalories (kcal) to kilojoules (kJ), you can multiply the value in kilocalories by 4.184.

kJ = kcal * 4.184

For example, let's convert 100 kilocalories to kilojoules:

kJ = 100 kcal * 4.184 kJ = 418.4 kJ

Therefore, 100 kilocalories is equal to 418.4 kilojoules.

How to convert from kcal to kilojoules

Thermochemical / food kilocalories to kilojoules

1 kcalth = 4.184 kJ

The 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)

Example

Convert 0.3 kcalth to kilojoules.

E(kJ) = 4.184 × 0.3 kcalth = 1.2552 kJ

International kilocalories to kilojoules

1 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)

Example

Convert 0.3 kcalIT to kilojoules.

E(kJ) = 4.1868 × 0.3kcalIT = 1.25604 kJ

15°C kilocalories to kilojoules

1 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)

Example

Convert 0.3 kcal15 to kilojoules.

E(kJ) = 4.1855 × 0.3kcal15 = 1.25565 kJ

20°C kilocalories to kilojoules

1 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)

Example

Convert 0.3 kcal20 to kilojoules.

E(kJ) = 4.182 × 0.3kcal20 = 1.2546 kJ


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