kcal to kJ

1 kilocalorie (food Cal) = 4.184 kJ. Multiply by 4.184. One kilocalorie (food Cal) is 4.184 kJ.

Convert

Value

From

Basis

scale · base joule

—

Every unit at once	Value	Unit

kcal to kJ table

kilocalorie (food Cal)	kJ	Unit
1 kcal	4.184	kJ
2 kcal	8.368	kJ
3 kcal	12.552	kJ
5 kcal	20.92	kJ
10 kcal	41.84	kJ
20 kcal	83.68	kJ
25 kcal	104.6	kJ
50 kcal	209.2	kJ
100 kcal	418.4	kJ
500 kcal	2,092	kJ
1,000 kcal	4,184	kJ

which calorie

The Calorie on a food label is a kilocalorie — a thousand of the calories a physicist means. Both are listed so the factor of a thousand is never left implied.

Convert kJ to kcal instead →

Other energy conversions

kcal → J kcal → kJ kcal → cal kcal → Wh kcal → kWh kcal → BTU