Gigajoules to Kilojoules Converter
EngineeringJoules, calories, kilowatt-hours and more.
How to convert Gigajoules to Kilojoules
Multiply the gigajoules value by 1e+6: 1 GJ = 1e+6 kJ. Going the other way, 1 kJ = 1e-6 GJ, so divide by 1e+6 or use the Kilojoules to Gigajoules converter.
About these units
Kilojoules (kJ)
A kilojoule is 1,000 joules. Food energy is labelled in kilojoules in many countries; 1 kJ is about 0.239 kilocalories.
Gigajoules to Kilojoules conversion table
| Gigajoules (GJ) | Kilojoules (kJ) |
|---|---|
| 1 GJ | 1e+6 kJ |
| 2 GJ | 2e+6 kJ |
| 3 GJ | 3e+6 kJ |
| 4 GJ | 4e+6 kJ |
| 5 GJ | 5e+6 kJ |
| 10 GJ | 1e+7 kJ |
| 20 GJ | 2e+7 kJ |
| 25 GJ | 2.5e+7 kJ |
| 50 GJ | 5e+7 kJ |
| 100 GJ | 1e+8 kJ |
| 500 GJ | 5e+8 kJ |
| 1,000 GJ | 1e+9 kJ |
More gigajoules conversions
- Gigajoules to Joules1 GJ = 1e+9 J
- Gigajoules to Megajoules1 GJ = 1,000 MJ
- Gigajoules to Millijoules1 GJ = 1e+12 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.