Convert Calories to Joules

Use our accurate converter to change calories into joules. This tool is simple to use and works instantly.

How to Calculate

To change calories to joules, you just need to know the conversion factor.

Rule: 1 Calories = 4.1868 Joules

Calories to Joules
Pre-defined calculator for direct calories to joules conversion.
Calories (IT) (cal)
0
Joules (J)
Formula: 1 Calories = 4.1868 Joules

Unit Information

About Calories

Definition: The calorie is a unit for measuring heat and food energy.

History: It was first defined by the heat needed to warm up a small amount of water.

Where it is used: Used mostly in food labels and for studying heat.

Calories to Joules Conversion Table

Calories [cal]Joules [j]
0.01 cal0.041868 j
0.1 cal0.41868 j
1 cal4.1868 j
2 cal8.3736 j
3 cal12.5604 j
5 cal20.934 j
10 cal41.868 j
20 cal83.736 j
50 cal209.34 j
100 cal418.68 j
1000 cal4,186.8 j

How to Convert Calories to Joules

Calculation: To convert calories to joules, multiply the value by the conversion factor (4.1868).

Example: convert 15 cal to j:
15 cal = 15 × 4.1868 j = 62.802 j

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