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Kilowatt hour to Gigajoule

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

About this conversion

To convert Kilowatt hour to Gigajoule, multiply the number of Kilowatt hour by 0.0036.

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)Gigajoule (GJ)
1 kWh0.0036 GJ
2 kWh0.0072 GJ
5 kWh0.018 GJ
10 kWh0.036 GJ
100 kWh0.36 GJ

How to use this converter

  1. 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.

  2. Read the Gigajoule result

    The amount in Gigajoule updates as you type, so there is no button to press and nothing to wait for.

  3. 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 Gigajoule are in one Kilowatt hour?
One Kilowatt hour equals 0.0036 GJ. 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 Gigajoule 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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