Gigajoules to Millijoules Converter
EngineeringJoules, calories, kilowatt-hours and more.
How to convert Gigajoules to Millijoules
Multiply the gigajoules value by 1e+12: 1 GJ = 1e+12 mJ. Going the other way, 1 mJ = 1e-12 GJ, so divide by 1e+12 or use the Millijoules to Gigajoules converter.
Gigajoules to Millijoules conversion table
| Gigajoules (GJ) | Millijoules (mJ) |
|---|---|
| 1 GJ | 1e+12 mJ |
| 2 GJ | 2e+12 mJ |
| 3 GJ | 3e+12 mJ |
| 4 GJ | 4e+12 mJ |
| 5 GJ | 5e+12 mJ |
| 10 GJ | 1e+13 mJ |
| 20 GJ | 2e+13 mJ |
| 25 GJ | 2.5e+13 mJ |
| 50 GJ | 5e+13 mJ |
| 100 GJ | 1e+14 mJ |
| 500 GJ | 5e+14 mJ |
| 1,000 GJ | 1e+15 mJ |
More gigajoules conversions
- Gigajoules to Joules1 GJ = 1e+9 J
- Gigajoules to Kilojoules1 GJ = 1e+6 kJ
- Gigajoules to Megajoules1 GJ = 1,000 MJ
- Gigajoules to Microjoules1 GJ = 1e+15 µJ
- Gigajoules to Nanojoules1 GJ = 1e+18 nJ
- Gigajoules to Calories1 GJ = 2.3901e+8 cal
- Gigajoules to Watt Hours1 GJ = 277,778 Wh
- Gigajoules to British Thermal Units1 GJ = 947,813 BTU
- Gigajoules to Ergs1 GJ = 1e+16 erg
See every unit on the Energy Converter.