µV
to dBm CONVERSION
Conversion
from dBm with Z=50Ω impedance to µV.
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dBm
(sometimes dBmW
or decibel-milliwatts) is an abbreviation for the power ratio in
decibels (dB) of the measured power referenced to one milliwatt (mW).
dBm
(sometimes dBmW
or decibel-milliwatts) is an abbreviation for the power ratio in
decibels (dB) of the measured power referenced to one milliwatt (mW).
Conversion
from dBm with Z=50Ω impedance to µV
Conversion
from -125 dBm with Z=50Ω
impedance to µV
Conversion
from µV with Z=50Ω impedance to dBm
Conversion
from 0.13µV with Z=50Ω impedance to dBm

Horizontal values are dBm with the
vertical values being µV.
dBm
|
uV
|
dBm
|
uV
|
dBm
|
uV
|
0
|
223607
|
-47
|
998.81
|
-94
|
4.4615
|
-1
|
199290
|
-48
|
890.19
|
-95
|
3.9764
|
-2
|
177617
|
-49
|
793.39
|
-96
|
3.5439
|
-3
|
158301
|
-50
|
707.11
|
-97
|
3.1585
|
-4
|
141086
|
-51
|
630.21
|
-98
|
2.8150
|
-5
|
125743
|
-52
|
561.67
|
-99
|
2.5089
|
-6
|
112069
|
-53
|
500.59
|
-100
|
2.2361
|
-7
|
99881
|
-54
|
446.15
|
-101
|
1.9929
|
-8
|
89019
|
-55
|
397.64
|
-102
|
1.7762
|
-9
|
79339
|
-56
|
354.39
|
-103
|
1.5830
|
-10
|
70711
|
-57
|
315.85
|
-104
|
1.4109
|
-11
|
63021
|
-58
|
281.50
|
-105
|
1.2574
|
-12
|
56167
|
-59
|
250.89
|
-106
|
1.1207
|
-13
|
50059
|
-60
|
223.61
|
-107
|
0.9988
|
-14
|
44615
|
-61
|
199.29
|
-108
|
0.8902
|
-15
|
39764
|
-62
|
177.62
|
-109
|
0.7934
|
-16
|
35439
|
-63
|
158.30
|
-110
|
0.7071
|
-17
|
31585
|
-64
|
141.09
|
-111
|
0.6302
|
-18
|
28150
|
-65
|
125.74
|
-112
|
0.5617
|
-19
|
25089
|
-66
|
112.07
|
-113
|
0.5006
|
-20
|
22361
|
-67
|
99.88
|
-114
|
0.4462
|
-21
|
19929
|
-68
|
89.02
|
-115
|
0.3976
|
-22
|
17762
|
-69
|
79.34
|
-116
|
0.3544
|
-23
|
15830
|
-70
|
70.71
|
-117
|
0.3159
|
-24
|
14109
|
-71
|
63.02
|
-118
|
0.2815
|
-25
|
12574
|
-72
|
56.17
|
-119
|
0.2509
|
-26
|
11207
|
-73
|
50.06
|
-120
|
0.2236
|
-27
|
9988
|
-74
|
44.62
|
-121
|
0.1993
|
-28
|
8902
|
-75
|
39.76
|
-122
|
0.1776
|
-29
|
7934
|
-76
|
35.44
|
-123
|
0.1583
|
-30
|
7071
|
-77
|
31.59
|
-124
|
0.1411
|
-31
|
6302
|
-78
|
28.15
|
-125
|
0.1257
|
-32
|
5617
|
-79
|
25.09
|
-126
|
0.1121
|
-33
|
5006
|
-80
|
22.36
|
-127
|
0.0999
|
-34
|
4462
|
-81
|
19.93
|
-128
|
0.0890
|
-35
|
3976
|
-82
|
17.76
|
-129
|
0.0793
|
-36
|
3544
|
-83
|
15.83
|
-130
|
0.0707
|
-37
|
3159
|
-84
|
14.11
|
-131
|
0.0630
|
-38
|
2815
|
-85
|
12.57
|
-132
|
0.0562
|
-39
|
2509
|
-86
|
11.21
|
-133
|
0.0501
|
-40
|
2236
|
-87
|
9.99
|
-134
|
0.0446
|
-41
|
1993
|
-88
|
8.90
|
-135
|
0.0398
|
-42
|
1776
|
-89
|
7.93
|
-136
|
0.0354
|
-43
|
1583
|
-90
|
7.07
|
-137
|
0.0316
|
-44
|
1411
|
-91
|
6.30
|
-138
|
0.0282
|
-45
|
1257
|
-92
|
5.62
|
-139
|
0.0251
|
-46
|
1121
|
-93
|
5.01
|
-140
|
0.0224
|
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last revised 05 May, 2025
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