Calories to Joules

Converters

Convert nutritional Calories (kcal) to Joules (J).

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Joules (J)

About This Tool

Convert dietary kilocalories into Joules. Essential for thermodynamics, sports science, and understanding the energy content of food in SI units.

Frequently Asked Questions

One nutritional Calorie (kcal) is equal to $4,184$ Joules. This is based on the energy required to raise the temperature of one kilogram of water by one degree Celsius.

In common usage, "Calorie" with a capital C refers to a kilocalorie ($1,000$ small calories). This tool uses the kilocalorie (kcal) standard used on food labels.

Joules are the standard SI unit for energy. Scientists use Joules to maintain consistency across different fields of physics, chemistry, and engineering.

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