Convert 1 dBm to Watt dBm to W/mW Converter Calculator
Conversion of electric power units. dBm to W / mW.
Here is the answer to the question: Convert 1 dBm to Watt or 1 dBm to Watts. Use the calculator below to convert any dBm values to Watts or miliwatts.
dBm to mW or W Converter
dBm to miliwatt (mW) / Watt (W), Conversion Table (*)
Power (dBm)
Power (mW)
-30 dBm
0.001 mW
-20 dBm
0.01 mW
-10 dBm
0.1 mW
0 dBm
1 mW
3 dBm
2 mW
4.8 dBm
3 mW
6 dBm
4 mW
7 dBm
5 mW
7.8 dBm
6 mW
8.5 dBm
7 mW
9 dBm
8 mW
9.5 dBm
9 mW
10 dBm
10 mW
20 dBm
100 mW
30 dBm
1000 mW
40 dBm
10000 mW
50 dBm
100000 mW
60 dBm
1000000 mW
70 dBm
10000000 mW
80 dBm
100000000 mW
90 dBm
1000000000 mW
100 dBm
10000000000 mW
(*) Some values are rounded
How to convert dBm to mW
The power conversion from dBm to mW or Watt is given by the formula:
P(dBm) = 10(P(mW)/10)
Example 1:
Convert 20 dBm to milliwatts:
P(mW) = 10(20/10) = 100 mW
So, the power of 20 dBm is equal to 100 mW or 0.1 W (Watt).
Example 2:
Convert -30 dBm to milliwatts:
P(mW) = 10(-30/10) = 0.001 mW
So, the power of -30 dBm is equal to 0.001 mW or 0.000001 W = 1 μW.
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dBm to mW Converter Calculator
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