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 megajoule?

A megajoule is a unit of energy equal to one million joules. It is used in industrial energy calculations, explosive yield estimations, and large-scale thermodynamic systems.

Worked examples

1 kilojoule = 0.001 megajoule

1 megajoule = 1,000,000 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.