Energy is the capacity to perform work. It exists in various forms, such as kinetic, potential, thermal, etc. It is measured in joules (J).
1 erg = 2.3901e-8 th cal 
1 th cal = 41,840,000 erg 
उदाहरण: 
कन्वर्ट 15 Erg से Thermochemical Calorie:
15 erg = 3.5851e-7 th cal 
| Erg | Thermochemical Calorie | 
|---|---|
| 0.01 erg | 2.3901e-10 th cal | 
| 0.1 erg | 2.3901e-9 th cal | 
| 1 erg | 2.3901e-8 th cal | 
| 2 erg | 4.7801e-8 th cal | 
| 3 erg | 7.1702e-8 th cal | 
| 5 erg | 1.1950e-7 th cal | 
| 10 erg | 2.3901e-7 th cal | 
| 20 erg | 4.7801e-7 th cal | 
| 30 erg | 7.1702e-7 th cal | 
| 40 erg | 9.5602e-7 th cal | 
| 50 erg | 1.1950e-6 th cal | 
| 60 erg | 1.4340e-6 th cal | 
| 70 erg | 1.6730e-6 th cal | 
| 80 erg | 1.9120e-6 th cal | 
| 90 erg | 2.1511e-6 th cal | 
| 100 erg | 2.3901e-6 th cal | 
| 250 erg | 5.9751e-6 th cal | 
| 500 erg | 1.1950e-5 th cal | 
| 750 erg | 1.7925e-5 th cal | 
| 1000 erg | 2.3901e-5 th cal | 
| 10000 erg | 0 th cal | 
| 100000 erg | 0.002 th cal |