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Calories To Gigajoules Converter

Convert between Calories and Gigajoules. Select a direction, enter a value, and compare results in the conversion table.






0 GJ

Conversion Table

calGJ

Reverse Conversion

gigajoules to calories

How This Converter Works

Convert between Calories (cal) and Gigajoules (GJ). Select either direction to convert directly.

Formula or rule

Gigajoules = Calories * 4.184e-9; Calories = Gigajoules / 4.184e-9

Example

Input
1 cal
Calculation
1 * 4.184e-9 = 4.184e-9
Result
4.184e-9 GJ

Notes

Energy factors use thermochemical calories, International Table Btu and therms, and the exact electronvolt relationship.

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