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 joule?

The joule is the SI base unit of energy. It is the standard unit for work, heat, and electrical energy in physics, engineering, and scientific measurement worldwide.

Worked examples

1 kilowatt hour = 3,600,000 joule

1 joule = 1 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.