Joules to Calories Converter

Instantly convert Joules (J) to Calories (cal). Free online converter with formula and table.

J
cal
1 J = 0.239006 cal
1 Joule = 0.239006 calories
1 Calorie = 4.184 joules

Joules to Calories Conversion Table

Joules (J)Calories (cal)
10.239006
20.478011
30.717017
40.956023
51.195
102.3901
153.5851
204.7801
255.9751
5011.9503
10023.9006
500119.5029
1,000239.0057

How to Convert Joules to Calories

cal = J × 0.239006

Example

Convert 10 joules to calories:

10 J × 0.239006 = 2.3901 cal

About These Units

Frequently Asked Questions

How many Calories are in a Joule?

There are 0.239006 Calories in one Joule.

How do I convert Joules to Calories?

To convert Joules to Calories, multiply the value in Joules by 0.239006. For example, 10 Joules = 10 × 0.239006 = 2.3901 Calories.

What is the formula to convert Joules to Calories?

The formula is: Calories (cal) = Joules (J) × 0.239006

How do I convert Calories back to Joules?

To convert Calories to Joules, multiply by 4.184 (or divide by 0.239006).