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 kcal = 41,840,000,000 erg
1 erg = 2.3901e-11 kcal
例子:
将15 千瓦利转换为尔格：
15 kcal = 627,600,000,000 erg
| 千瓦利 | 尔格 |
|---|---|
| 0.01 kcal | 418,400,000 erg |
| 0.1 kcal | 4,184,000,000 erg |
| 1 kcal | 41,840,000,000 erg |
| 2 kcal | 83,680,000,000 erg |
| 3 kcal | 125,520,000,000 erg |
| 5 kcal | 209,200,000,000 erg |
| 10 kcal | 418,400,000,000 erg |
| 20 kcal | 836,800,000,000 erg |
| 30 kcal | 1,255,200,000,000 erg |
| 40 kcal | 1,673,600,000,000 erg |
| 50 kcal | 2,092,000,000,000 erg |
| 60 kcal | 2,510,400,000,000 erg |
| 70 kcal | 2,928,800,000,000 erg |
| 80 kcal | 3,347,200,000,000 erg |
| 90 kcal | 3,765,600,000,000 erg |
| 100 kcal | 4,184,000,000,000 erg |
| 250 kcal | 10,460,000,000,000 erg |
| 500 kcal | 20,920,000,000,000 erg |
| 750 kcal | 31,380,000,000,000 erg |
| 1000 kcal | 41,840,000,000,000 erg |
| 10000 kcal | 418,400,000,000,000 erg |
| 100000 kcal | 4,184,000,000,000,000 erg |
规则