mW to dBm Conversion
mW to dBm conversion calculator
milliwatts (mW) to decibel-milliwatts (dBm), power conversion calculator.
Enter the power in mW and press the Convert button:
dBm to mW conversion calculator ►
How to convert mW to dBm
The power conversion of mW to dBm is given by the formula:
P(dBm) = 10 · log10( P(mW) )
So,
1mW = 0dBm
Example
Convert 20mW to dBm:,
P(dBm) = 10 · log10( 20mW ) = 13.0103dBm
mW to dBm conversion table
Power (mW) Power (dBm) 0+ mW -∞ dBm 0.01 mW -20.0000 dBm 0.1 mW -10.0000 dBm 1 mW 0.0000 dBm 2 mW 3.0103 dBm 3 mW 4.7712 dBm 4 mW 6.0206 dBm 5 mW 6.9897 dBm 6 mW 7.7815 dBm 7 mW 8.4510 dBm 8 mW 9.0309 dBm 9 mW 9.5424 dBm 10 mW 10.0000 dBm 100 mW 20.0000 dBm 1000 mW 30.0000 dBm 10000 mW 40.0000 dBm 100000 mW 50.0000 dBm 1000000 mW 60.0000 dBm 10000000 mW 70.0000 dBm 100000000 mW 80.0000 dBm 1000000000 mW 90.0000 dBm 10000000000 mW 100.0000 dBm
See also
Online Reference & Tools