Food energy

Food energy is the amount of energy in food that is available through digestion.

Related Topics:
Energy - Digestion

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Food energy is typically measured in units of calories, although the International System of Units unit kilojoule (1000 joules) is becoming more common. Some types of food contain more food energy than others: fats and sugars have particularly high food energy levels.

Related Topics:
Calorie - International System of Units - Joule - Fat - Sugar

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Note that the "calorie" used by dieticians for food is sometimes called a kilocalorie; it is equal to 4.1868 kilojoules.

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