ConvertOnlineDecibel-watts to Decibel-milliwatts calculator
to
Enter a number to see the converted value immediately.
dBW
Decibel-milliwatts
dBm
Decibel-watts to Decibel-milliwatts formula
Use this formula to convert decibel-watts to decibel-milliwatts:
Decibel-milliwatts = Decibel-watts + 30
Calculation
Enter a valid number above to see the formula with your value substituted step by step.
Decibel-watts to Decibel-milliwatts Conversion Table
Reference values for converting Decibel-watts to Decibel-milliwatts.
| Decibel-watts (dBW) | Decibel-milliwatts (dBm) |
|---|---|
| 0.1 dBW | 30.1 dBm |
| 1 dBW | 31 dBm |
| 2 dBW | 32 dBm |
| 5 dBW | 35 dBm |
| 10 dBW | 40 dBm |
| 20 dBW | 50 dBm |
| 50 dBW | 80 dBm |
| 100 dBW | 130 dBm |
Worked example
Convert 50 Decibel-watts to Decibel-milliwatts
Decibel-milliwatts = 50 + 30 = 80 Decibel-milliwatts
About these units
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.
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.
{"formula":"x + 30","precision":11,"x_desc":"Decibel-watts","y_desc":"Decibel-milliwatts"}