ConvertOnlineDecibel-milliwatts to Watts calculator
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Decibel-milliwatts to Watts formula
Use this formula to convert decibel-milliwatts to watts:
Watts = Math.pow(10,(Decibel-milliwatts/10)) / 1e3
Calculation
Enter a valid number above to see the formula with your value substituted step by step.
Decibel-milliwatts to Watts Conversion Table
Reference values for converting Decibel-milliwatts to Watts.
| Decibel-milliwatts (dBm) | Watts (W) |
|---|---|
| 0.1 dBm | 0.00102329299 W |
| 1 dBm | 0.00125892541 W |
| 2 dBm | 0.00158489319 W |
| 5 dBm | 0.00316227766 W |
| 10 dBm | 0.01 W |
| 20 dBm | 0.1 W |
| 50 dBm | 100 W |
| 100 dBm | 10000000 W |
Worked example
Convert 30 Decibel-milliwatts to Watts
Watts = Math.pow(10,(30/10)) / 1e3 = 1 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.
Watts
The watt (W) is the SI unit of power, defined as one joule per second. It is used to measure the rate of energy transfer and is commonly used in a wide range of applications, including electricity, mechanics, and heating.
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