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 = 1,000 cal
1 cal = 0.001 kcal
例子:
将15 千瓦利转换为卡路里：
15 kcal = 15,000 cal
| 千瓦利 | 卡路里 |
|---|---|
| 0.01 kcal | 10 cal |
| 0.1 kcal | 100 cal |
| 1 kcal | 1,000 cal |
| 2 kcal | 2,000 cal |
| 3 kcal | 3,000 cal |
| 5 kcal | 5,000 cal |
| 10 kcal | 10,000 cal |
| 20 kcal | 20,000 cal |
| 30 kcal | 30,000 cal |
| 40 kcal | 40,000 cal |
| 50 kcal | 50,000 cal |
| 60 kcal | 60,000 cal |
| 70 kcal | 70,000 cal |
| 80 kcal | 80,000 cal |
| 90 kcal | 90,000 cal |
| 100 kcal | 100,000 cal |
| 250 kcal | 250,000 cal |
| 500 kcal | 500,000 cal |
| 750 kcal | 750,000 cal |
| 1000 kcal | 1,000,000 cal |
| 10000 kcal | 10,000,000 cal |
| 100000 kcal | 100,000,000 cal |
规则