Millijoules to Megajoules Converter
EngineeringJoules, calories, kilowatt-hours and more.
How to convert Millijoules to Megajoules
Multiply the millijoules value by 1e-9: 1 mJ = 1e-9 MJ. Going the other way, 1 MJ = 1e+9 mJ, so divide by 1e-9 or use the Megajoules to Millijoules converter.
About these units
Megajoules (MJ)
A megajoule is one million joules. A kilowatt-hour is 3.6 MJ, and vehicle fuels contain roughly 30 to 45 MJ per liter or kilogram.
Millijoules to Megajoules conversion table
| Millijoules (mJ) | Megajoules (MJ) |
|---|---|
| 1 mJ | 1e-9 MJ |
| 2 mJ | 2e-9 MJ |
| 3 mJ | 3e-9 MJ |
| 4 mJ | 4e-9 MJ |
| 5 mJ | 5e-9 MJ |
| 10 mJ | 1e-8 MJ |
| 20 mJ | 2e-8 MJ |
| 25 mJ | 2.5e-8 MJ |
| 50 mJ | 5e-8 MJ |
| 100 mJ | 1e-7 MJ |
| 500 mJ | 5e-7 MJ |
| 1,000 mJ | 1e-6 MJ |
More millijoules conversions
- Millijoules to Joules1 mJ = 0.001 J
- Millijoules to Kilojoules1 mJ = 1e-6 kJ
- Millijoules to Gigajoules1 mJ = 1e-12 GJ
- Millijoules to Microjoules1 mJ = 1,000 µJ
- Millijoules to Nanojoules1 mJ = 1e+6 nJ
- Millijoules to Calories1 mJ = 0.000239006 cal
- Millijoules to Watt Hours1 mJ = 2.7778e-7 Wh
- Millijoules to British Thermal Units1 mJ = 9.4781e-7 BTU
- Millijoules to Ergs1 mJ = 10,000 erg
See every unit on the Energy Converter.