HappyTools

Unit converter

Energy Converter

Convert between joules, calories, kilocalories, kilowatt-hours, BTU, and electronvolts.

Joules to Calories

1 Joule = 0.2390057361 Calories
0.2390057361

About these units

Joules

The joule is the SI unit of energy, equal to the work done by one newton over one meter. It's the foundation for measuring all forms of energy.

Calories

The calorie is the energy to raise 1 gram of water by 1 °C, about 4.184 joules. It's a small unit used in chemistry and physics.

Conversion formula

To convert Joule to Calorie, multiply the value by 0.2390057361.

Quick reference

JoulesCalories
10.2390057361
20.4780114723
51.195028681
102.390057361
10023.90057361

Frequently asked questions

How many Calories are in one Joule?
1 Joule = 0.2390057361 Calories.
How many Joules are in one Calorie?
1 Calorie = 4.184 Joules.

Related tools