How many kilowatt-hours are in 1 megajoule?

1 megajoule equals 0.277778 kWh.

How do I convert kilowatt-hours back to megajoules?

Use the reverse converter: 1 kilowatt-hour equals 3.6 MJ.

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert megajoules to kilowatt-hours, multiply the value by 0.277777778.

kWh = MJ × 0.277777778

40 MJ × 0.277777778 = 11.11 kWh

Megajoule (MJ): 1,000,000 joules; used for fuel and industrial energy.
Kilowatt-hour (kWh): The unit on household electricity bills. Equal to 3.6 megajoules.

How do I convert megajoules to kilowatt-hours?: To convert megajoules to kilowatt-hours, multiply the value by 0.277777778.
How many kilowatt-hours are in 1 megajoule?: 1 megajoule equals 0.277778 kWh.
How many kilowatt-hours are in 10 megajoules?: 10 MJ equals 2.77778 kWh.
How do I convert kilowatt-hours back to megajoules?: Use the reverse converter: 1 kilowatt-hour equals 3.6 MJ.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.