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