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 dBW = 0 kcal/s
1 kcal/s = 3,320.635 dBW
例子:
将15 分贝瓦特转换为千瓦时第二：
15 dBW = 0.005 kcal/s
| 分贝瓦特 | 千瓦时第二 |
|---|---|
| 0.01 dBW | 3.0115e-6 kcal/s |
| 0.1 dBW | 3.0115e-5 kcal/s |
| 1 dBW | 0 kcal/s |
| 2 dBW | 0.001 kcal/s |
| 3 dBW | 0.001 kcal/s |
| 5 dBW | 0.002 kcal/s |
| 10 dBW | 0.003 kcal/s |
| 20 dBW | 0.006 kcal/s |
| 30 dBW | 0.009 kcal/s |
| 40 dBW | 0.012 kcal/s |
| 50 dBW | 0.015 kcal/s |
| 60 dBW | 0.018 kcal/s |
| 70 dBW | 0.021 kcal/s |
| 80 dBW | 0.024 kcal/s |
| 90 dBW | 0.027 kcal/s |
| 100 dBW | 0.03 kcal/s |
| 250 dBW | 0.075 kcal/s |
| 500 dBW | 0.151 kcal/s |
| 750 dBW | 0.226 kcal/s |
| 1000 dBW | 0.301 kcal/s |
| 10000 dBW | 3.011 kcal/s |
| 100000 dBW | 30.115 kcal/s |
规则