Dbm-watts-volts conversion chart – GE GFK-2489 User Manual
Page 176
GFK-2489
Chapter 8 Technical Reference 8-15
8
Dbm-Watts-Volts Conversion Chart
The table below shows the equivalent voltage or wattage of an RF power expressed in dBm
for a 50-Ohm system.
dBm V Po
dBm V Po
DBm mV Po
dBm µV Po
+53 100.0 200W
0 .225 1.0mW
-49 0.80
-98 2.9
+50 70.7 100W
-1 .200 .80mW
-50 0.71 .01µW
-99 2.51
+49 64.0 80W
-2 .180 .64mW
-51 0.64
-100 2.25 .1pW
+48 58.0 64W
-3 .160 .50mW
-52 0.57
-101 2.0
+47 50.0 50W
-4 .141 .40mW
-53 0.50
-102 1.8
+46 44.5 40W
-5 .125 .32mW
-54 0.45
-103 1.6
+45 40.0 32W
-6 .115 .25mW
-55 0.40
-104 1.41
+44 32.5 25W
-7 .100 .20mW
-56 0.351
-105 1.27
+43 32.0 20W
-8 .090 .16mW
-57 0.32
-106 1.18
+42 28.0 16W
-9 .080 .125mW -58 0.286
+41 26.2 12.5W
-10 .071 .10mW
-59 0.251
dBm nV Po
+40 22.5 10W
-11 .064
-60 0.225 .001µW -107 1000
+39 20.0 8W
-12 .058
-61 0.200
-108 900
+38 18.0 6.4W
-13 .050
-62 0.180
-109 800
+37 16.0 5W
-14 .045
-63 0.160
-110 710 .01pW
+36 14.1 4W
-15 .040
-64 0.141
-111 640
+35 12.5 3.2W
-16 .0355
-112 580
+34 11.5 2.5W
dBm µV Po
-113 500
+33 10.0 2W
dBm mV Po
-65 128
-114 450
+32 9.0 1.6W
-17 31.5
-66 115
-115 400
+31 8.0 1.25W
-18 28.5
-67 100
-116 355
+30 7.10 1.0W
-19 25.1
-68 90
-117 325
+29 6.40 800mW -20 22.5 .01mW
-69 80
-118 285
+28 5.80 640mW -21 20.0
-70 71 .1nW
-119 251
+27 5.00 500mW -22 17.9
-71 65
-120 225 .001pW
+26 4.45 400mW -23 15.9
-72 58
-121 200
+25 4.00 320mW -24 14.1
-73 50
-122 180
+24 3.55 250mW -25 12.8
-74 45
-123 160
+23 3.20 200mW -26 11.5
-75 40
-124 141
+22 2.80 160mW -27 10.0
-76 35
-125 128
+21 2.52 125mW -28 8.9
-77 32
-126 117
+20 2.25 100mW -29 8.0
-78 29
-127 100
+19 2.00 80mW
-30 7.1 .001mW -79 25
-128 90
+18 1.80 64mW
-31 6.25
-80 22.5 .01nW
-129 80 .1ƒW
+17 1.60 50mW
-32 5.8
-81 20.0
-130 71
+16 1.41 40mW
-33 5.0
-82 18.0
-131 61
+15 1.25 32mW
-34 4.5
-83 16.0
-132 58
+14 1.15 25mW
-35 4.0
-84 11.1
-133 50
+13 1.00 20mW
-36 3.5
-85 12.9
-134 45