dBW To dBm Converter
Conversion Table
| dBW | dBm |
|---|---|
| -130 dBW | -100 dBm |
| -80 dBW | -50 dBm |
| -60 dBW | -30 dBm |
| -30 dBW | 0 dBm |
| -20 dBW | 10 dBm |
| 0 dBW | 30 dBm |
| 30 dBW | 60 dBm |
How This Converter Works
Convert decibel-watts (dBW) to decibel-milliwatts (dBm). The two units use reference powers that differ by a factor of 1000, which is an offset of 30 dB.
Formula or rule
dBm = dBW + 30
Example
- Input
- 0 dBW
- Calculation
- 0 + 30 = 30
- Result
- 30 dBm