能量是执行工作的能力。它以各种形式存在，例如动力学，电势，热等。在焦耳（J）中测量。
1 cal = 41,840,000 erg
1 erg = 2.3901e-8 cal
例子:
将15 卡路里转换为尔格：
15 cal = 627,600,000 erg
| 卡路里 | 尔格 |
|---|---|
| 0.01 cal | 418,400 erg |
| 0.1 cal | 4,184,000 erg |
| 1 cal | 41,840,000 erg |
| 2 cal | 83,680,000 erg |
| 3 cal | 125,520,000 erg |
| 5 cal | 209,200,000 erg |
| 10 cal | 418,400,000 erg |
| 20 cal | 836,800,000 erg |
| 30 cal | 1,255,200,000 erg |
| 40 cal | 1,673,600,000 erg |
| 50 cal | 2,092,000,000 erg |
| 60 cal | 2,510,400,000 erg |
| 70 cal | 2,928,800,000 erg |
| 80 cal | 3,347,200,000 erg |
| 90 cal | 3,765,600,000 erg |
| 100 cal | 4,184,000,000 erg |
| 250 cal | 10,460,000,000 erg |
| 500 cal | 20,920,000,000 erg |
| 750 cal | 31,380,000,000 erg |
| 1000 cal | 41,840,000,000 erg |
| 10000 cal | 418,400,000,000 erg |
| 100000 cal | 4,184,000,000,000 erg |
规则