Energy
Kilowatt-hours to Joule
Convert kilowatt-hours to joule instantly.
About this conversion
Kilowatt-hours (kWh) are the standard unit on electricity bills. 1 kWh = 1,000 Wh. Joule (J) er SI-grundenheden for energi og bruges i fysik, kemi og teknik. At løfte et æble én meter kræver ca. 1 joule, og en menneskekrops daglige energibehov er ca. 8 millioner joule. 1.000 joule er én kilojoule. 1 Kilowatt-hours equals 3,600,000 joule. The converter above calculates the result instantly — you can also swap the units to convert in the other direction.
How to use
Enter a value in the kilowatt-hours field and instantly see the result in joule. Click the swap button to reverse the conversion.
Manual calculation
1 kilowatt-hours = 3,600,000 joule. Example: 10 kWh = 36,000,000 J.
Frequently asked questions
How do you convert kilowatt-hours to joule?
Multiply the number of kilowatt-hours by 3,600,000 to get joule. Example: 5 kWh × 3,600,000 = 18,000,000 J.
Are kilowatt-hours bigger or smaller than joule?
Kilowatt-hours is larger than Joule. One kilowatt-hour equals 3,600,000 joule, so the result is a larger number when converting from kilowatt-hours to joule.
What is 2 kilowatt-hours in joule?
2 kWh equals 7,200,000 J.
How many kilowatt-hours are in 1 joule?
1 J equals 0.0000002778 kWh. This is the reverse conversion — useful if you have a value in joule and want it in kilowatt-hours.
What is kilowatt-hour?
Kilowatt-hours (kWh) are the standard unit on electricity bills. 1 kWh = 1,000 Wh.
What is joule used for?
Joule (J) er SI-grundenheden for energi og bruges i fysik, kemi og teknik. At løfte et æble én meter kræver ca. 1 joule, og en menneskekrops daglige energibehov er ca. 8 millioner joule. 1.000 joule er én kilojoule.