How many Kilojoule are in one Kilowatt hour?

One Kilowatt hour equals 3600 kJ. 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 Kilojoule 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 Kilojoule

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

Kilowatt hour (kWh)Kilojoule (kJ)3600

1 kWh = 3600 kJ

Related conversions

Kilowatt hour → Joule 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 Kilojoule, multiply the number of Kilowatt hour by 3600.

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)	Kilojoule (kJ)
1 kWh	3600 kJ
2 kWh	7200 kJ
5 kWh	18000 kJ
10 kWh	36000 kJ
100 kWh	360000 kJ

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 Kilojoule result
The amount in Kilojoule 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 Kilojoule are in one Kilowatt hour?: One Kilowatt hour equals 3600 kJ. 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 Kilojoule 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.

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