Convert joules to kilocalories

Explanation

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

In case you are wondering, to convert from joules to kilocalories you need to multiply by 0.000239. This factor is calculated using the respective definitions of the two units you can find below.

Formula

1 J≈0.000239 kcal

joulesJ

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

The joule (J) is the base unit of energy in the International System of Units.

Definition of the joule

Le joule est le travail produit par un newton dont le point d'application se déplace de un mètre dans la direction de la force.

9^th CGPM (1948) p. 113

That is to say, one joule is the work done by a force of one newton whose point of application moves one meter in the direction of the force.

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