Convert Calories to Gigajoules

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

How to Calculate

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

Rule: 1 Calories = 0.0000000042 Gigajoules

Calories to Gigajoules
Pre-defined calculator for direct calories to gigajoules conversion.
Calories (IT) (cal)
0
Gigajoules (GJ)
Formula: 1 Calories = 0 Gigajoules

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 Gigajoules Conversion Table

Calories [cal]Gigajoules [gj]
0.01 cal0 gj
0.1 cal0.0000000004 gj
1 cal0.0000000042 gj
2 cal0.0000000084 gj
3 cal0.0000000126 gj
5 cal0.0000000209 gj
10 cal0.0000000419 gj
20 cal0.0000000837 gj
50 cal0.0000002093 gj
100 cal0.0000004187 gj
1000 cal0.0000041868 gj

How to Convert Calories to Gigajoules

Calculation: To convert calories to gigajoules, multiply the value by the conversion factor (0.0000000042).

Example: convert 15 cal to gj:
15 cal = 15 × 0.0000000042 gj = 0.0000000628 gj

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