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.

What is watt hour?

A watt hour is a unit of energy equal to the power of one watt sustained for one hour. It is used to measure small amounts of electrical energy consumption, particularly in battery capacities and portable electronics.

Worked examples

1 megajoule = 277.77777778 watt hour

1 watt hour = 3,600 joule

More Energy conversions

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

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