Convert kilojoules to kilocalories

Explanation

From this page you can convert kilojoules to kilocalories (or kJ to kcal) simply, by using the application above.

In case you are wondering, to convert from kilojoules to kilocalories you need to multiply by 0.239. This factor is calculated using the respective definitions of the two units you can find below.

Formula

1 kJ≈0.239 kcal

kilojouleskJ

dimension	energy
system	International system of units (SI)
symbol	kJ

The kilojoule (kJ) is a unit of energy in the International System of Units.

Definition of the kilojoule

One kilojoule is 1000 joules.

Equivalences

One kilojoule is equivalent to:

Some Facts

The estimated amount of energy the Earth receives from the Sun is 1.361 kilojoules per second and per square meters.

Prefix

kilo

10³

The prefix kilo- comes from the ancient Greek chilioi meaning thousand. The associated multiplicative factor is 1000 or 10³.

SI Energy Units

picojoule	pJ	0.000 000 000 001
nanojoule	nJ	0.000 000 001
microjoule	µJ	0.000 001
millijoule	mJ	0.001
joule	J	1
kilojoule	kJ	1000
megajoule	MJ	1 000 000
gigajoule	GJ	1 000 000 000
terajoule	TJ	1 000 000 000 000

Related Conversions

kilocalorieskcal

dimension	energy
symbol	kcal

The kilocalorie (kcal) is a unit of energy.

Note: when talking about food the word calorie almost always refers to the kilocalorie (kcal). Since there is a factor 1000 between the calorie and the kilocalorie, you probably should double-check.

Definition of the kilocalorie

One kilocalorie is 1000 calories.

Equivalences

One kilocalorie is equivalent to:

Calories

calorie	cal	1
kilocalorie	kcal	1000