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.

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.

Worked examples

1 kilojoule = 0.23900574 kilocalorie (dietary)

1 kilocalorie (dietary) = 4,184 joule

More Energy conversions

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

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