功率是完成工作或能量转移的速度。它以瓦（w）为单位进行测量。
1 Wh/s = 0.86 kcal/s
1 kcal/s = 1.162 Wh/s
例子:
将15 瓦特每秒转换为千瓦时第二：
15 Wh/s = 12.906 kcal/s
| 瓦特每秒 | 千瓦时第二 |
|---|---|
| 0.01 Wh/s | 0.009 kcal/s |
| 0.1 Wh/s | 0.086 kcal/s |
| 1 Wh/s | 0.86 kcal/s |
| 2 Wh/s | 1.721 kcal/s |
| 3 Wh/s | 2.581 kcal/s |
| 5 Wh/s | 4.302 kcal/s |
| 10 Wh/s | 8.604 kcal/s |
| 20 Wh/s | 17.208 kcal/s |
| 30 Wh/s | 25.813 kcal/s |
| 40 Wh/s | 34.417 kcal/s |
| 50 Wh/s | 43.021 kcal/s |
| 60 Wh/s | 51.625 kcal/s |
| 70 Wh/s | 60.229 kcal/s |
| 80 Wh/s | 68.834 kcal/s |
| 90 Wh/s | 77.438 kcal/s |
| 100 Wh/s | 86.042 kcal/s |
| 250 Wh/s | 215.105 kcal/s |
| 500 Wh/s | 430.21 kcal/s |
| 750 Wh/s | 645.315 kcal/s |
| 1000 Wh/s | 860.421 kcal/s |
| 10000 Wh/s | 8,604.207 kcal/s |
| 100000 Wh/s | 86,042.065 kcal/s |
规则