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Engineering Notes


RF POWER AMPLIFIERS TECHNICAL REFERENCE MATERIAL


Watts to dBm Conversion Calculator

Enter Output Power in Watts:

Output Power in dBm =

dBm to Watts Conversion Calculator

Enter Output Power in dBm:

Output Power in Watts =

RF Power, Watts and dB Conversion Calculator


Normally expressed in watts or dBm (decibels over/below 1 milliwatt)

RF Power Diagram
Frequently Used Powerlevel Conversions
Level
(watts)
Level
(conventional)
Level
(dBm)
Level
(dBw)
1 x 10-12
1 x 10-9
1 x 10-6
1 x 10-3
0.1
1
10
100
1000
1 picowatt
1 nanowatt
1 microwatt
1 milliwatt
0.1 watts
1 watt
10 watts
100 watts
1 kilowatt
-90
-60
-30
0
+20
+30
+40
+50
+60
-120
-90
-60
-30
-10
0
+10
+20
+30