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 = 0.301 cal/s
1 cal/s = 3.321 dBW
例子:
将15 分贝瓦特转换为每秒卡路里：
15 dBW = 4.517 cal/s
| 分贝瓦特 | 每秒卡路里 |
|---|---|
| 0.01 dBW | 0.003 cal/s |
| 0.1 dBW | 0.03 cal/s |
| 1 dBW | 0.301 cal/s |
| 2 dBW | 0.602 cal/s |
| 3 dBW | 0.903 cal/s |
| 5 dBW | 1.506 cal/s |
| 10 dBW | 3.011 cal/s |
| 20 dBW | 6.023 cal/s |
| 30 dBW | 9.034 cal/s |
| 40 dBW | 12.046 cal/s |
| 50 dBW | 15.057 cal/s |
| 60 dBW | 18.069 cal/s |
| 70 dBW | 21.08 cal/s |
| 80 dBW | 24.092 cal/s |
| 90 dBW | 27.103 cal/s |
| 100 dBW | 30.115 cal/s |
| 250 dBW | 75.287 cal/s |
| 500 dBW | 150.574 cal/s |
| 750 dBW | 225.86 cal/s |
| 1000 dBW | 301.147 cal/s |
| 10000 dBW | 3,011.472 cal/s |
| 100000 dBW | 30,114.723 cal/s |
规则