Watts to dBm Conversion Calculator

Enter a value in Watts and click on calculate to get the dBm value

  • Watts
  • Calculate Reset
  • Result
    dBm:

Watt To dBm Conversion Table

Power (watt) Power (dBm)
0 W not defined
0+ W -∞ dBm
0.00001 W -20 dBm
0.0001 W -10 dBm
0.001 W 0 dBm
0.01 W 10 dBm
0.1 W 20 dBm
1 W 30 dBm
10 W 40 dBm
 100 W 50 dBm
 1000 W 60 dBm
 10000 W 70 dBm