Calorie to Kilojoule conversion

Convert between Calorie (cal) and Kilojoule (kJ) or vice versa.

About Calorie to Kilojoule conversion

What is Calorie?

Calorie is a unit of energy defined as the amount of energy needed to raise the temperature of one gram of water by one degree Celsius.

What is Kilojoule?

Kilojoule is a unit of energy equal to one thousand joules, used in nutrition and other scientific fields.

How to convert Calorie to Kilojoule using our tool?

Enter the Calorie value in the input field above. Our tool will automatically convert the value to Kilojoule. You can also use the dropdown to select any other unit you want to convert to. The conversion is instant and you can see the result immediately, even when you change the units.