What is kilocalorie (dietary)?

A kilocalorie, written as Calorie with a capital C in nutrition contexts, is a unit of energy equal to 1,000 thermochemical calories. It is the standard unit used to express the energy content of food on nutrition labels globally.

What is kilojoule?

A kilojoule is a unit of energy equal to 1,000 joules. It is commonly used in nutrition to express the energy content of food, as well as in thermodynamics and mechanical engineering.

Worked examples

1 kilocalorie (dietary) = 4.184 kilojoule

1 kilojoule = 1,000 joule

More Energy conversions

• Convert kilocalorie (dietary) to joule
• Convert kilocalorie (dietary) to kilojoule
• Convert kilocalorie (dietary) to kilowatt hour
• Convert kilocalorie (dietary) to calorie (thermochemical)
• Convert kilocalorie (dietary) to watt hour
• Convert kilocalorie (dietary) to megajoule
• Convert kilocalorie (dietary) to electronvolt
• Convert kilocalorie (dietary) to British thermal unit
• Convert kilocalorie (dietary) to therm (US)

Assumption: calorie means thermochemical calorie, and therm means US therm.