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Kilojoule to Kilocalorie

Convert kilojoule (kJ) to kilocalorie (kcal) — with the exact factor, a quick-reference table and a free converter that works offline.

1 kJ = 0.2390057 kcal

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Conversion table

Kilojoule (kJ)Kilocalorie (kcal)
1 kJ0.2390057 kcal
2 kJ0.4780115 kcal
5 kJ1.195029 kcal
10 kJ2.390057 kcal
20 kJ4.780115 kcal
50 kJ11.95029 kcal
100 kJ23.90057 kcal
500 kJ119.5029 kcal

How the conversion works

Both units measure energy. One kilojoule equals exactly 0.2390057 kcal, so multiply by that factor to convert. Food 'Calorie'.

FAQ

How many kilocalories in a kilojoule?

1 kJ = 0.2390057 kcal.

How do I convert kilojoule to kilocalorie?

Multiply the kilojoule value by 0.2390057. For example, 10 kJ × 0.2390057 = 2.390057 kcal.

Where does the factor come from?

The conversion factor is defined in BIPM SI Brochure; both units are energy units converted through joule.

Related conversions

Kilocalorie to Kilojoule Calorie to Joule Joule to Calorie Kilowatt-hour to British thermal unit

Conversion factors: BIPM SI Brochure. Computed by the same engine that powers the app.

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