dBm to watts conversion

dBm to watts conversion calculator

Decibel-milliwatts (dBm) to watts (W), power conversion calculator.

Enter the power in dBm and press the Convert button:

         
  Enter power in dBm: dBm  
         
       
         
  Watts result: W  
         

Watts to dBm conversion calculator ►

How to convert dBm to watts

1dBm = 0.001258925W

So the power conversion of dBm to watts is given by the formula:

P(W) = 10(P(dBm) / 10) / 1000 = 10((P(dBm) - 30) / 10)

Example

Convert 43dBm to watts:

P(W) = 10(43dBm / 10) / 1000 = 19.9526W

dBm to watts conversion table

Power (dBm) Power (W)
-30 dBm 0.0000010 W
-20 dBm 0.0000100 W
-10 dBm 0.0001000 W
0 dBm 0.0010000 W
1 dBm 0.0012589 W
2 dBm 0.0015849 W
3 dBm 0.0019953 W
4 dBm 0.0025119 W
5 dBm 0.0031628 W
6 dBm 0.0039811 W
7 dBm 0.0050119 W
8 dBm 0.0063096 W
9 dBm  0.0079433 W
10 dBm 0.0100000 W
20 dBm 0.1000000 W
30 dBm 1.0000000 W
40 dBm 10.0000000 W
50 dBm  100.0000000 W

 

Watts to dBm conversion ►

 

See also

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