L'énergie est la capacité d'effectuer un travail.Il existe sous diverses formes, telles que cinétique, potentiel, thermique, etc. Il est mesuré en joules (J).
1 cal/s = 4.1840e-9 GJ 
1 GJ = 239,005,736.138 cal/s 
Exemple: 
Convertir 15 Calorique par seconde en Gigajoule:
15 cal/s = 6.2760e-8 GJ 
| Calorique par seconde | Gigajoule | 
|---|---|
| 0.01 cal/s | 4.1840e-11 GJ | 
| 0.1 cal/s | 4.1840e-10 GJ | 
| 1 cal/s | 4.1840e-9 GJ | 
| 2 cal/s | 8.3680e-9 GJ | 
| 3 cal/s | 1.2552e-8 GJ | 
| 5 cal/s | 2.0920e-8 GJ | 
| 10 cal/s | 4.1840e-8 GJ | 
| 20 cal/s | 8.3680e-8 GJ | 
| 30 cal/s | 1.2552e-7 GJ | 
| 40 cal/s | 1.6736e-7 GJ | 
| 50 cal/s | 2.0920e-7 GJ | 
| 60 cal/s | 2.5104e-7 GJ | 
| 70 cal/s | 2.9288e-7 GJ | 
| 80 cal/s | 3.3472e-7 GJ | 
| 90 cal/s | 3.7656e-7 GJ | 
| 100 cal/s | 4.1840e-7 GJ | 
| 250 cal/s | 1.0460e-6 GJ | 
| 500 cal/s | 2.0920e-6 GJ | 
| 750 cal/s | 3.1380e-6 GJ | 
| 1000 cal/s | 4.1840e-6 GJ | 
| 10000 cal/s | 4.1840e-5 GJ | 
| 100000 cal/s | 0 GJ |