Gigajoules to Calories Converter
EngineeringJoules, calories, kilowatt-hours and more.
How to convert Gigajoules to Calories
Multiply the gigajoules value by 2.3901e+8: 1 GJ = 2.3901e+8 cal. Going the other way, 1 cal = 4.184e-9 GJ, so divide by 2.3901e+8 or use the Calories to Gigajoules converter.
About these units
Calories (cal)
The calorie used here is the thermochemical calorie, exactly 4.184 joules, roughly the energy needed to warm one gram of water by one degree Celsius. Food calories are actually kilocalories.
Gigajoules to Calories conversion table
| Gigajoules (GJ) | Calories (cal) |
|---|---|
| 1 GJ | 2.3901e+8 cal |
| 2 GJ | 4.7801e+8 cal |
| 3 GJ | 7.1702e+8 cal |
| 4 GJ | 9.5602e+8 cal |
| 5 GJ | 1.195e+9 cal |
| 10 GJ | 2.3901e+9 cal |
| 20 GJ | 4.7801e+9 cal |
| 25 GJ | 5.9751e+9 cal |
| 50 GJ | 1.195e+10 cal |
| 100 GJ | 2.3901e+10 cal |
| 500 GJ | 1.195e+11 cal |
| 1,000 GJ | 2.3901e+11 cal |
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 Millijoules1 GJ = 1e+12 mJ
- Gigajoules to Microjoules1 GJ = 1e+15 µJ
- Gigajoules to Nanojoules1 GJ = 1e+18 nJ
- 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.