Calories to Joules (J) Conversion

Round:
Enter Small Calorie
Enter Joule

How to convert calories to joules?

1 Calorie is equal to 4.184 joules (J). To convert calories to joules, multiply the calorie value by 4.184.

1 Small Calorie = 4.184 Joules

How to convert joules to calories?

1 Joule is equal to 0.239005736 calorie. To convert joules to calories, multiply the joule value by 0.239005736 or divide by 4.184.

1 Joule = 0.239005736 Small Calorie

What is Calorie?

Small Calorie is a metric energy unit and defined as the amount of energy to heat 1 gram of water to 1 degree Celsius. The symbol is "cal".

Nutritional (food) Calorie is an energy unit and defined as the amount of energy to heat 1 kilogram of water to 1 degree Celsius. It is 1000 times higher than the scientific calorie unit. The symbol is "Cal".

What is Joule?

Joule is a metric system unit (electrical, mechanical or thermal) and defined as the amount of work done by a force of one newton to move an object one meter or a current of one ampere when passing through one ohm resistance for one second. The symbol is "J".

Create Conversion Table
Click "Create Table". Enter a "Start" value (5, 100 etc). Select an "Increment" value (0.01, 5 etc) and select "Accuracy" to round the result.