kcal to Joules Converter
1 kcal (food Calorie) = 4,184 joules. Used in nutrition, dietetics and exercise science.
Formula:1 kcal = 4,184 J
Quick conversion table — Kilocalorie to Joule
0.5 kcal2,092 J
1 kcal4,184 J
5 kcal20,920 J
10 kcal41,840 J
50 kcal209,200 J
100 kcal418,400 J
1,000 kcal4,184,000 J
How to convert kcal to j
To convert kcal to joules, use the formula: 1 kcal = 4,184 J. Simply enter the value you want to convert in the field above and the result appears instantly. You can also type in the result field to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000). Results are accurate to 8 significant figures.
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