| 1 GJ = | 1000000000 J |
| 1 GJ = | 624150909.00433 eV |
| 1 GJ = | 239005736.138 cal |
| 1 GJ = | 1000000 kJ |
| 1 GJ = | 947817.123 BTU |
| 1 GJ = | 277777.778 Wh |
| 1 GJ = | 239005.736 kcal |
| 1 GJ = | 1000 MJ |
| 1 GJ = | 624.151 MeV |
| 1 GJ = | 277.778 kWh |
| 1 GJ = | 0.624 GeV |
| 1 GJ = | 0.278 MWh |
| 1 GJ = | 0.0239 toe |