Calorie to Kilojoule Converter
Convert between kilocalories (kcal) and kilojoules (kJ). 1 kcal = 4.184 kJ.
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Tool guide
Calorie to Kilojoule Converter: how it works
Practical information to understand the result and use this tool correctly.
About Calorie to Kilojoule Converter
Convert between kilocalories (kcal) and kilojoules (kJ). 1 kcal = 4.184 kJ.
The tool runs directly in the browser for immediate results.
How to use it
- 1Enter the value to convert and choose units if needed.
- 2The result updates instantly on the same page.
- 3Copy the converted value if you need it elsewhere.
Frequently asked questions
- Do I need to sign up?
- No. The tool works without an account.
- Are my data uploaded?
- Compatible operations run locally in the browser.
- What is the conversion factor?
- 1 kilocalorie (kcal) = 4.184 kilojoules (kJ). This is the thermochemical calorie used in nutrition.
- Is this the same as food calories?
- Yes. Nutrition labels use kcal (often labeled as Calories with capital C). This converter uses the standard 4.184 factor.