Megajoules to Watt-hours
Type a value — result updates instantly.
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