ConvertOnlineDecibel-milliwatts to Decibel-watts calculator
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dBm
Decibel-watts
dBW
Decibel-milliwatts to Decibel-watts formula
Use this formula to convert decibel-milliwatts to decibel-watts:
Decibel-watts = Decibel-milliwatts - 30
Calculation
Enter a valid number above to see the formula with your value substituted step by step.
Decibel-milliwatts to Decibel-watts Conversion Table
Reference values for converting Decibel-milliwatts to Decibel-watts.
| Decibel-milliwatts (dBm) | Decibel-watts (dBW) |
|---|---|
| 0.1 dBm | -29.9 dBW |
| 1 dBm | -29 dBW |
| 2 dBm | -28 dBW |
| 5 dBm | -25 dBW |
| 10 dBm | -20 dBW |
| 20 dBm | -10 dBW |
| 50 dBm | 20 dBW |
| 100 dBm | 70 dBW |
Worked example
Convert 30 Decibel-milliwatts to Decibel-watts
Decibel-watts = 30 - 30 = 0 Decibel-watts
About these units
Decibel-milliwatts
A decibel milliwatt (dBm) is a unit of power level used in radio, microwave, and fiber-optic communication networks. It is a logarithmic unit that expresses power relative to one milliwatt.
Decibel-watts
A decibel watt (dBW) is a unit of power level relative to one watt, expressed in decibels. It is commonly used in telecommunications and audio engineering to describe power levels in a logarithmic scale.
{"formula":"x - 30","precision":11,"x_desc":"Decibel-milliwatts","y_desc":"Decibel-watts"}