Megajoules to Watt-hours Converter
How to convert megajoules to watt-hours
watt-hours = megajoules × 277.777778
To convert megajoules to watt-hours, multiply the number of megajoules by 277.777778.
1 MJ = 277.777778 Wh
Examples
- One kilowatt-hour: 3.6 MJ × 277.777778 = 1,000 Wh
- 100 MJ × 277.777778 = 27,777.7778 Wh
Megajoules to watt-hours conversion table
| Megajoules (MJ) | Watt-hours (Wh) |
|---|---|
| 1 MJ | 277.777778 Wh |
| 2 MJ | 555.555556 Wh |
| 5 MJ | 1,388.88889 Wh |
| 10 MJ | 2,777.77778 Wh |
| 20 MJ | 5,555.55556 Wh |
| 50 MJ | 13,888.8889 Wh |
| 100 MJ | 27,777.7778 Wh |
| 200 MJ | 55,555.5556 Wh |
| 250 MJ | 69,444.4444 Wh |
| 500 MJ | 138,888.889 Wh |
| 1,000 MJ | 277,777.778 Wh |
| 2,000 MJ | 555,555.556 Wh |
| 2,500 MJ | 694,444.444 Wh |
| 5,000 MJ | 1,388,888.89 Wh |
| 10,000 MJ | 2,777,777.78 Wh |
Unit definitions
- Megajoule (MJ)
- A megajoule is 1,000,000 joules. It is used for the energy content of fuels and for gas billing in some countries.
- Watt-hour (Wh)
- A watt-hour is the energy used by a 1 watt load running for one hour, exactly 3600 joules. It is used for battery capacities.