The Unit Converters

Kilocalorie to Kilojoule

1 Kilocalorie = 4.1868 Kilojoule


Conversion Formula

To convert Kilocalorie to Kilojoule, multiply the value by 4.1868.

Kilocalorie × 4.1868 = Kilojoule

Quick Reference

kcal kJ
1 4.1868
5 20.934
10 41.868
25 104.67
50 209.34
100 418.68
500 2093.4
1000 4186.8

What is Kilocalorie?

The kilocalorie (symbol: kcal) is a unit of energy equal to 1,000 small calories.

It is often referred to as the food calorie or simply a Calorie (with a capital C) in nutritional contexts.

Common Uses

The kilocalorie is the standard unit used globally to represent the energy content of foods and the energy expenditure of physical activity in humans.

What is Kilojoule?

The kilojoule (symbol: kJ) is a decimal multiple of the joule, the SI unit of energy.

One kilojoule is equal to 1,000 joules.

Common Uses

Kilojoules are commonly used to express the energy content of foods (as an alternative to calories) and in many engineering and industrial contexts to measure larger amounts of energy.

How many kilojoule are in a kilocalorie?

There are 4.1868 kilojoule in 1 kilocalorie.


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