Megajoule to Megawatt-hour Converter

Convert Megajoule to Megawatt-hour instantly — live results with exact conversion factors.

From

0.000277777778 MWh

1 megajoule = 0.0002777777778 megawatt-hours. To convert MJ to MWh, multiply by 0.0002777777778.

Quick Reference Table

Megajoule (MJ)	Megawatt-hour (MWh)
1	0.000277777778
2	0.000555555556
5	0.00138888889
10	0.00277777778
20	0.00555555556
50	0.013888889
100	0.027777778
250	0.069444444
500	0.13888889
1000	0.27777778

Formula

Convert Megajoule (MJ) to Megawatt-hour (MWh) using the relationship:

MWh = MJ × 0.0002777777778

How to Convert

Take the value in megajoules (MJ).
Multiply it by 0.0002777777778 (the conversion factor from MJ to MWh).
The result is the equivalent value in megawatt-hours (MWh).
Example: 1 MJ = 0.000277777778 MWh.

Reverse Conversion

Need it the other direction? Megawatt-hour to Megajoule conversion.

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FAQ

▸ How many megawatt-hours are in 1 megajoule?

1 Megajoule equals 0.000277777778 megawatt-hours. Multiply by 0.0002777777778 to convert MJ to MWh.

▸ What is the formula to convert megajoule to megawatt-hour?

Multiply the value in megajoules by 0.0002777777778 to get megawatt-hours. Formula: MWh = MJ × 0.0002777777778.

▸ How do I convert megajoules to megawatt-hours easily?

Enter your value in the converter at the top of this page — the megawatt-hours result updates live as you type. You can also multiply by 0.0002777777778 directly.

Answer