Energy Converter
Result
... Kilowatt-hour = ... Kilojoule
Result
... Kilowatt-hour
=
... Kilojoule
Find the units to convert
Kilowatt-hour to Kilojoule Converter
Use this page to convert kilowatt-hour values into kilojoule, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 kWh = 3,600 kJ
1 kJ = 0.000277777777777778 kWh
Example: 120 kWh = 432,000 kJ
Kilowatt-hour
A kilowatt-hour is the energy used by one kilowatt over one hour.
History: It became standard with electrical billing and metering.
Current use: Kilowatt-hours are used on utility bills and battery capacity discussions.
Also written as kWh, kilowatt hour, kilowatt hours, kilowatt-hours.
Kilojoule
A kilojoule equals 1,000 joules.
History: It is a decimal multiple adopted for practical energy values.
Current use: Kilojoules are used in nutrition and industrial energy figures.
Also written as kJ, kilojoules.
Kilowatt-hour to Kilojoule table
| Kilowatt-hour [kWh] | Kilojoule [kJ] |
|---|
| 0.01 kWh | 36 kJ |
| 0.1 kWh | 360 kJ |
| 1 kWh | 3,600 kJ |
| 2 kWh | 7,200 kJ |
| 5 kWh | 18,000 kJ |
| 10 kWh | 36,000 kJ |
| 20 kWh | 72,000 kJ |
| 50 kWh | 180,000 kJ |
| 100 kWh | 360,000 kJ |
Frequently asked questions
How many Kilojoule (kJ) are in one Kilowatt-hour (kWh)?
One Kilowatt-hour equals 3,600 Kilojoule.
How do you convert Kilowatt-hour to Kilojoule?
Multiply the Kilowatt-hour value by 3,600 to get the result in Kilojoule.
How do you convert Kilojoule back to Kilowatt-hour?
Multiply the Kilojoule value by 0.000277777777777778 to get back to Kilowatt-hour.
What is 120 Kilowatt-hour in Kilojoule?
120 Kilowatt-hour equals 432,000 Kilojoule.
