How many Joule are in one Kilowatt hour?

One Kilowatt hour equals 3600000 J. Enter any amount above to get an exact figure for your own value.

Is this converter accurate?

Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.

Do you upload the numbers I enter?

No. The Kilowatt hour to Joule conversion runs entirely in your browser tab, and nothing you type is sent to a server.

Does it work on my phone?

Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

All converters

Kilowatt hour to Joule

Convert Kilowatt hour to Joule and get the exact value instantly.

Kilowatt hour (kWh)Joule (J)3600000

1 kWh = 3600000 J

Related conversions

Kilowatt hour → Kilojoule Kilowatt hour → Megajoule Kilowatt hour → Gigajoule Kilowatt hour → Calorie Kilowatt hour → Kilocalorie Kilowatt hour → Watt hour Kilowatt hour → Electronvolt Kilowatt hour → British thermal unit

About this conversion

To convert Kilowatt hour to Joule, multiply the number of Kilowatt hour by 3600000.

Energy shows up as joules, calories, kilowatt-hours or BTU depending on the field (nutrition, an electricity bill, heating or physics), so a conversion makes the numbers comparable.

Conversion table

Kilowatt hour (kWh)	Joule (J)
1 kWh	3600000 J
2 kWh	7200000 J
5 kWh	18000000 J
10 kWh	36000000 J
100 kWh	360000000 J

How to use this converter

Enter your Kilowatt hour value
Type any number into the Kilowatt hour field. It starts at 1 so you can read the rate straight away.
Read the Joule result
The amount in Joule updates as you type, so there is no button to press and nothing to wait for.
Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Joule are in one Kilowatt hour?: One Kilowatt hour equals 3600000 J. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?: Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?: No. The Kilowatt hour to Joule conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?: Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

SERBABISA · CAN DO ANYTHING