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Convert Calories to kiloJoules

Calories to kiloJoules

Looking for kiloJoules to Calories converter?

Simple unit conversion tool that helps you to convert Calories to kiloJoules.

What you should know about Calories and kiloJoules

How many kiloJoules are in one Calorie?

Thermochemical Calories
1 calth = 0.004184 kJ
15ºC Calories
1 cal15 = 0.0041855 kJ
Large/food Calories
1 Cal = 4.184 kJ

How many Calories are in one kiloJoule?

Thermochemical Calories
1 kJ = 239.0057 calth
15ºC calories
1 kJ = 238.9201 cal15
Large/food calories
1 kJ =0.239 Cal

Conversion Example:

If we want to convert 200 calories in kiloJoules, then we will proceed as following:
Thermochemical Calories to Kilojoules
E(kJ) = E(calth) / 239.0057 = 200calth / 239.0057 = 0.8368 kJ
15ºC Calories to Kilojoules
E(kJ) = E(cal15) / 238.9201 = 200cal15 / 238.9201 = 0.8371 kJ
Large/food Calories to Kilojoules
E(kJ) = E(Cal) / 0.239 = 200Cal / 0.239 = 836.8 kJ

Definition of Calorie provided by YourDictionary.com

  1. the amount of heat needed to raise the temperature of one gram of water one degree celsius; gram calorie; small calorie
  2. the amount of heat needed to raise the temperature of one kilogram of water one degree celsius; great calorie; kilocalorie; 1,000 calories; large calorie
  3. a. a unit equal to the large calorie, used for measuring the energy produced by food when oxidized in the body
    b. an amount of food able to produce one large calorie of energy

Definition of kiloJoule provided by Cambridge Dictionary

a unit of measurement equal to 1,000 joules (= measure of energy or work done)

Calories and Kilojoules are two energy units. Calories and Kilojoules units are used in various fields of activity such as physics, chemistry and other industries. This calculator is useful both for those who’s working in these fields of activity but also for students who study energies as Calories and Kilojoules at school.
Our Calories to Kilojoules converter is especially designed to make your calculations fast. You just need to enter Calories value on the first box and the converter will do the rest for you and automatically convert Calories to Kilojoules.
Also you have formula for converting Calories to Kilojoules if you need that in your calculations, but we recommend you to use the Calories to Kilojoules converter because is very fast and accurate for simple conversions.