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Energy Converter

Convert energy units instantly and locally.

Converted result0.239005736138 kcal / Cal

1 kJ equals 0.239005736138 kcal / Cal

Common conversions

A small calorie is cal; a dietary kilocalorie is kcal and is commonly written as food Calorie (Cal).

Kilojoule: Symbol kJ; converted through Joule.

Dietary kilocalorie / food Calorie: Symbol kcal / Cal; formatting is applied only after calculation.

Conversion runs locally in your browser.

Popular energy converter pages

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Common conversion table

Kilojoule (kJ)Dietary kilocalorie / food Calorie (kcal / Cal)
1 kJ0.239005736138 kcal / Cal
2 kJ0.478011472275 kcal / Cal
5 kJ1.19502868069 kcal / Cal
10 kJ2.39005736138 kcal / Cal
20 kJ4.78011472275 kcal / Cal
25 kJ5.97514340344 kcal / Cal
50 kJ11.9502868069 kcal / Cal
100 kJ23.9005736138 kcal / Cal

Available units

  • Joule (J)
  • Kilojoule (kJ)
  • Megajoule (MJ)
  • Watt-hour (Wh)
  • Kilowatt-hour (kWh)
  • Small calorie (cal)
  • Dietary kilocalorie / food Calorie (kcal / Cal)
  • British thermal unit (IT) (BTU)
  • Electronvolt (eV)

How to use this converter

  1. Choose two energy units and enter a value.
  2. Review the live result and use Copy result when you need to share it.

How the conversion works

Energy converts through joules, with calories and food kilocalories labelled separately.

Formula

Energy converts through joules, with calories and food kilocalories labelled separately.

Step-by-step calculation

  1. Choose two energy units and enter a value.
  2. Energy converts through joules, with calories and food kilocalories labelled separately.
  3. Check the displayed result, then copy it if needed.

Worked example

1 dietary kilocalorie equals 4.184 kilojoules.

Risk guidance

Frequently asked questions

Does this tool send my inputs anywhere?

No. The interactive calculation runs in your browser and this site does not submit tool inputs to a backend.

How should I use the result?

Check that the entered units and values match your situation, especially around dates, breaks, and rounding.

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