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Megajoule to Kilowatt hour

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

About this conversion

To convert Megajoule to Kilowatt hour, multiply the number of Megajoule by 0.2777777778.

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

Megajoule (MJ)Kilowatt hour (kWh)
1 MJ0.2777777778 kWh
2 MJ0.5555555556 kWh
5 MJ1.388888889 kWh
10 MJ2.777777778 kWh
100 MJ27.77777778 kWh

How to use this converter

  1. Enter your Megajoule value

    Type any number into the Megajoule field. It starts at 1 so you can read the rate straight away.

  2. Read the Kilowatt hour result

    The amount in Kilowatt hour 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 Kilowatt hour are in one Megajoule?
One Megajoule equals 0.2777777778 kWh. 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 Megajoule to Kilowatt hour 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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