dBm-Volts-Watts Conversion

    (50-Ohm System)

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    dBm V Power
    +53 100.0 200 W
    +50 70.7 100 W
    +49 64.0 80 W
    +48 58.0 64 W
    +47 50.0 50 W
    +46 44.5 40 W
    +45 40.0 32 W
    +44 32.5 25 W
    +43 32.0 20 W
    +42 28.0 16 W
    +41 26.2 12.5 W
    +40 22.5 10 W
    +39 20.0 8 W
    +38 18.0 6.4 W
    +37 16.0 5 W
    +36 14.1 4 W
    +35 12.5 3.2 W
    +34 11.5 2.5 W
    +33 10.0 2 W
    +32 9.0 1.6 W
    +31 8.0 1.25 W
    +30 7.10 1.0 W
    +29 6.40 800 mW
    +28 5.80 640 mW
    +27 5.00 500 mW
    +26 4.45 400 mW
    +25 4.00 320 mW
    +24 3.55 250 mW
    +23 3.20 200 mW
    +22 2.80 160 mW
    +21 2.52 125 mW
    +20 2.25 100 mW
    +19 2.00 80 mW
    +18 1.80 64 mW
    +17 1.60 50 mW
    +16 1.41 40 mW
    +15 1.25 32 mW
    +14 1.15 25 mW
    +13 1.00 20 mW
    +12 0.90 16 mW
    +11 0.80 12.5 mW
    +10 0.71 10 mW
    +9 0.64 8 mW
    +8 0.58 6.4 mW
    +7 0.500 5 mW
    +6 0.445 4 mW
    +5 0.400 3.2 mW
    +4 0.355 2.5 mW
    +3 0.320 2.0 mW
    +2 0.280 1.6 mW
    +1 0.252 1.25 mW
    dBm V Power
    0 0.225 1.0 mW
    -1 0.200 0.80 mW
    -2 0.180 0.64 mW
    -3 0.160 0.50 mW
    -4 0.141 0.40 mW
    -5 0.125 0.32 mW
    -6 0.115 0.25 mW
    -7 0.100 0.20 mW
    -8 0.090 0.16 mW
    -9 0.080 0.125 mW
    -10 0.071 0.10 mW
    -11 0.064
    -12 0.058
    -13 0.050
    -14 0.045
    -15 0.040
    -16 0.0355
    dBm mV Power
    -17 31.5
    -18 28.5
    -19 25.1
    -20 22.5 0.01 mW
    -21 20.0
    -22 17.9
    -23 15.9
    -24 14.1
    -25 12.8
    -26 11.5
    -27 10.0
    -28 8.9
    -29 8.0
    -30 7.1 0.001 mW
    -31 6.25
    -32 5.8
    -33 5.0
    -34 4.5
    -35 4.0
    -36 3.5
    -37 3.2
    -38 2.85
    -39 2.5
    -40 2.25 0.1 uW
    -41 2.0
    -42 1.8
    -43 1.6
    -44 1.4
    -45 1.25
    -46 1.18
    -47 1.00
    -48 0.90
    dBm mV Power
    -49 0.80
    -50 0.71 0.01 uW
    -51 0.64
    -52 0.57
    -53 0.50
    -54 0.45
    -55 0.40
    -56 0.351
    -57 0.32
    -58 0.286
    -59 0.251
    -60 0.225 0.001 uW
    -61 0.200
    -62 0.180
    -63 0.160
    -64 0.141
    dBm uV Power
    -65 128
    -66 115
    -67 100
    -68 90
    -69 80
    -70 71 0.1 nW
    -71 65
    -72 58
    -73 50
    -74 45
    -75 40
    -76 35
    -77 32
    -78 29
    -79 25
    -80 22.5 0.01 nW
    -81 20.0
    -82 18.0
    -83 16.0
    -84 11.1
    -85 12.9
    -86 11.5
    -87 10.0
    -88 9.0
    -89 8.0
    -90 7.1 0.001 nW
    -91 6.1
    -92 5.75
    -93 5.0
    -94 4.5
    -95 4.0
    -96 3.51
    -97 3.2
    dBm uV Power
    -98 2.9
    -99 2.51
    -100 2.25 0.1 pW
    -101 2.0
    -102 1.8
    -103 1.6
    -104 1.41
    -105 1.27
    -106 1.18
    dBm nV Power
    -107 1000
    -108 900
    -109 800
    -110 710 0.01 pW
    -111 640
    -112 580
    -113 500
    -114 450
    -115 400
    -116 355
    -117 316
    -118 285
    -119 251
    -120 225 0.001 pW
    -121 200
    -122 180
    -123 160
    -124 141
    -125 128
    -126 117
    -127 100
    -128 90
    -129 80
    -130 71 0.1 fW
    -131 61
    -132 58
    -133 50
    -134 45
    -135 40
    -136 35
    -137 33
    -138 29
    -139 25
    -140 23 0.01 fW

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