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Kilocalories to Kilojoules Converter
Convert kilocalories to kilojoules instantly and accurately. 1 kcal = 4.184 kJ. Type any value below β the result updates as you type.
How to use this tool
- 1Enter the value in kilocalories.
- 2Read the converted result in kilojoules instantly.
- 3Use the swap button to reverse the conversion, or pick any other unit.
Frequently asked questions
How do you convert kilocalories to kilojoules?+
1 kcal = 4.184 kJ. To convert, multiply the number of kilocalories by the conversion factor between kcal and kJ. This calculator does it automatically as you type.
Is this kilocalories to kilojoules converter accurate?+
Yes. It uses exact SI/standard conversion factors, so results match official energy definitions to full precision.
Is it free and private?+
Completely free with no sign-up. All conversion happens in your browser β nothing is uploaded to a server.
Learn more
- Kilocalories vs Kilojoules: what's the difference?
- Kilocalories to Kilojoules conversion table
- How many kilojoules are in a kilocalorie?