MultiConverters.com

Calorie to Kilojoule

calorie kilojoule

calorie to kilojoule Conversion Table

calorie (cal) kilojoule (kJ)
0.01 cal 0.00004184 kJ
0.1 cal 0.0004184 kJ
1.0 cal 0.004184 kJ
2.0 cal 0.008368 kJ
3.0 cal 0.012552 kJ
5.0 cal 0.02092 kJ
10.0 cal 0.04184 kJ
20.0 cal 0.08368 kJ
30.0 cal 0.12552 kJ
50.0 cal 0.2092 kJ
100.0 cal 0.4184 kJ
1000.0 cal 4.184 kJ

Example Conversion

To convert from calorie to kilojoule, multiply by 0.004184.

For example: 22 calorie = 22 × 0.004184 = 0.092048 kilojoule

Unit History

About calorie

The small calorie originated in early thermodynamics to describe the heat needed to raise one gram of water by one degree Celsius. Though supplanted by joules in science, it survives in nutrition and cooking discussions.

About kilojoule

Kilojoules provide a practical metric scale for everyday energy quantities, appearing on nutrition labels, vehicle specifications, and scientific measurements.