Megajoule (MJ)
One million joules.
Result
1 megajoule = 1,000,000 joules
Megajoule at a glance
| Unit name | Megajoule (plural: megajoules) |
|---|---|
| Symbol | MJ |
| Quantity measured | Energy |
| Measurement system | Metric |
| Also known as | mj |
| Definition exact? | Yes — exact by definition |
1 megajoule in other energy units
| Unit | 1 MJ equals |
|---|---|
| Joule | 1,000,000 J |
| Kilojoule | 1,000 kJ |
| Calorie | 239,005.736 cal |
| Kilocalorie | 239.005736 kcal |
| Watt-hour | 277.777778 Wh |
| Kilowatt-hour | 0.277777778 kWh |
| Megawatt-hour | 0.000277778 MWh |
| Electronvolt | 6.24150907 × 10²⁴ eV |
| British thermal unit | 947.81712 BTU |
| Therm | 0.009478171 thm |
| Foot-pound | 737,562.149 ft·lb |
Frequently asked questions
- What is a megajoule?
- One million joules.
- What is the symbol for the megajoule?
- The symbol for the megajoule is MJ. It measures energy.
- How many joules are in a megajoule?
- 1 megajoule = 1,000,000 joules.
- How many kilojoules are in a megajoule?
- 1 megajoule = 1,000 kilojoules.
- How many kilocalories are in a megajoule?
- 1 megajoule = 239.005736 kilocalories.