HappyTools

Unit converter

Energy Converter

Convert between joules, calories, kilocalories, kilowatt-hours, BTU, and electronvolts.

Kilowatt-hours to Kilojoules

1 Kilowatt-hour = 3,600 Kilojoules
3,600

About these units

Kilowatt-hours

The kilowatt-hour is the energy of 1,000 watts running for one hour, about 3.6 million joules. It's the standard unit on electricity bills.

Kilojoules

The kilojoule equals 1,000 joules and is the metric unit for food energy in many countries and for mechanical work.

Conversion formula

To convert Kilowatt-hour to Kilojoule, multiply the value by 3,600.

Quick reference

Kilowatt-hoursKilojoules
13,600
27,200
518,000
1036,000
100360,000

Frequently asked questions

How many Kilojoules are in one Kilowatt-hour?
1 Kilowatt-hour = 3,600 Kilojoules.
How many Kilowatt-hours are in one Kilojoule?
1 Kilojoule = 0.0002777777778 (2.777777778 × 10⁻⁴) Kilowatt-hours.

Related tools