What is kilowatt hour?

A kilowatt hour is a unit of energy equal to 1,000 watt hours. It is the standard billing unit used by electricity providers worldwide to measure household and commercial energy consumption.

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 kilowatt hour = 3,600 kilojoule

1 kilojoule = 1,000 joule

More Energy conversions

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

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