Kilocalories to Kilojoules

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Kilocalories kcal

Kilojoules kj

1 kcal = — kj

Quick reference

Kilocalories (kcal)	Kilojoules (kj)

Formula

Kilojoules = kilocalories × 4.184

Multiply the kilocalories value by 4.184 to get kilojoules. To reverse — divide kilojoules by 4.184 to get kilocalories.

About this conversion

The kilocalorie (kcal), also called a food calorie or Calorie, equals 1,000 calories and is used in nutrition. Learn more →

The kilojoule (kJ) equals 1,000 joules, commonly used in food energy and thermodynamics. Learn more →