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How to Convert Kcal to Kilojoules

Kilocalories and kilojoules measure energy. Kilocalories are often used to measure the energy in food. The term "kilocalorie" represents 1,000 calories, or 1 Calorie, which is the unit used on food labels. The kilojoule is a metric unit of energy or work. Each kilocalorie equals 4.1868 kilojoules. You might need to convert to compare different energy levels for different energy sources.

Calculator

Instructions

- 1
  Multiply the number of kilocalories by 4.1868 to convert to kilojoules. For example, if you have 44 kcal, multiply 44 by 4.1868 to get 184.22 kilojoules.
- 2
  Divide the number of kilocalories by 0.23885 to convert to kilojoules. In this example, check your answer by dividing 44 by 0.23885 to get 184.22 kilojoules.
- 3
  Check your answers with an online kilocalories-to-kilojoules converter (see Resources). Enter the number of kilocalories, and the site displays the conversion to kilojoules.

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