Energy Converter
Result
... Kilowatt-hour = ... Joule
Result
... Kilowatt-hour
=
... Joule
Find the units to convert
Kilowatt-hour to Joule Converter
Use this page to convert kilowatt-hour values into joule, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 kWh = 3,600,000 J
1 J = 0.000000277777777777778 kWh
Example: 120 kWh = 432,000,000 J
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.
Joule
A joule is the work done by a force of one newton through one meter.
History: It is named after James Prescott Joule.
Current use: Joules are used in physics, engineering, and energy calculations.
Also written as J, joules.
Kilowatt-hour to Joule table
| Kilowatt-hour [kWh] | Joule [J] |
|---|
| 0.01 kWh | 36,000 J |
| 0.1 kWh | 360,000 J |
| 1 kWh | 3,600,000 J |
| 2 kWh | 7,200,000 J |
| 5 kWh | 18,000,000 J |
| 10 kWh | 36,000,000 J |
| 20 kWh | 72,000,000 J |
| 50 kWh | 180,000,000 J |
| 100 kWh | 360,000,000 J |
Frequently asked questions
How many Joule (J) are in one Kilowatt-hour (kWh)?
One Kilowatt-hour equals 3,600,000 Joule.
How do you convert Kilowatt-hour to Joule?
Multiply the Kilowatt-hour value by 3,600,000 to get the result in Joule.
How do you convert Joule back to Kilowatt-hour?
Multiply the Joule value by 0.000000277777777777778 to get back to Kilowatt-hour.
What is 120 Kilowatt-hour in Joule?
120 Kilowatt-hour equals 432,000,000 Joule.
