Convert Kilocalories to Gigajoules

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

How to Calculate

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

Rule: 1 Kilocalories = 0.0000041868 Gigajoules

Kilocalories to Gigajoules

Pre-defined calculator for direct kilocalories to gigajoules conversion.

From

Kilocalories (kcal)

To (Result)

Gigajoules (GJ)

Formula: 1 Kilocalories = 0.00000419 Gigajoules

Definition: A kilocalorie is equal to 1,000 calories.

History: This is what is usually meant by a 'Calorie' on food boxes.

Where it is used: Primary unit for talking about the energy in the food we eat.

Calculation: To convert kilocalories to gigajoules, multiply the value by the conversion factor (0.0000041868).

Example: convert 15 kcal to gj:
15 kcal = 15 × 0.0000041868 gj = 0.000062802 gj

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