Convert megajoules to joules and joules to MJ instantly. Bidirectional energy converter with formula and common values.
Multiply the megajoule value by 1,000,000 to get joules. This is a standard SI metric prefix conversion.
| Megajoules | Joules |
|---|---|
| 0.5 | 500,000 |
| 1.5 | 1,500,000 |
| 3.6 | 3,600,000 |
| 5 | 5,000,000 |
| 8.4 | 8,400,000 |
| 25 | 25,000,000 |
| 100 | 100,000,000 |
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One megajoule equals exactly 1,000,000 joules. The prefix "mega" means one million in the metric system.
Multiply the MJ value by 1,000,000. For example, 3.6 MJ × 1,000,000 = 3,600,000 J (which equals 1 kWh).
Megajoules measure medium-to-large energy quantities: food energy content of meals (2-10 MJ), energy content of fuels, industrial processes, and building energy efficiency ratings.
One megajoule equals approximately 0.2778 kWh, and 1 kWh equals 3.6 MJ. Both are practical units for household and industrial energy.