Megajoules to Watt-hours

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mj
wh
1 mj = — wh

Quick reference

Megajoules (mj)Watt-hours (wh)

Formula

Watt-hours = megajoules × 277.77778

Multiply the megajoules value by 277.77777777777777 to get watt-hours. To reverse — divide watt-hours by 277.77777777777777 to get megajoules.

About this conversion

The megajoule (MJ) equals 1,000,000 joules, used in energy production and large-scale engineering. Learn more →

The watt-hour (Wh) is an energy unit equal to one watt of power used for one hour, equal to 3,600 joules. Learn more →

Source: NIST International Reference