Power vs. Voltage
This table shows the relationship between
Power
in [dBm] or [Watts] and
Voltage
in RMS, peak,
peak-to-peak for
sinusoidal signals
in
50-Ohm systems
.
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-180
0.100E-20
0.224 nV
0.316 nV
0.632 nV
-179
0.126E-20
0.251 nV
0.355 nV
0.710 nV
-178
0.158E-20
0.282 nV
0.398 nV
0.796 nV
-177
0.200E-20
0.316 nV
0.447 nV
0.893 nV
-176
0.251E-20
0.354 nV
0.501 nV
1.002 nV
-175
0.316E-20
0.398 nV
0.562 nV
1.125 nV
-174
0.398E-20
0.446 nV
0.631 nV
1.262 nV
-173
0.501E-20
0.501 nV
0.708 nV
1.416 nV
-172
0.631E-20
0.562 nV
0.794 nV
1.588 nV
-171
0.794E-20
0.630 nV
0.891 nV
1.782 nV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-170
0.100E-19
0.707 nV
1.000 nV
2.000 nV
-169
0.126E-19
0.793 nV
1.122 nV
2.244 nV
-168
0.158E-19
0.890 nV
1.259 nV
2.517 nV
-167
0.200E-19
0.999 nV
1.412 nV
2.825 nV
-166
0.251E-19
1.121 nV
1.585 nV
3.169 nV
-165
0.316E-19
1.257 nV
1.778 nV
3.556 nV
-164
0.398E-19
1.411 nV
1.995 nV
3.990 nV
-163
0.501E-19
1.583 nV
2.238 nV
4.477 nV
-162
0.631E-19
1.776 nV
2.512 nV
5.023 nV
-161
0.794E-19
1.993 nV
2.818 nV
5.636 nV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-160
0.100E-18
2.236 nV
3.162 nV
6.324 nV
-159
0.126E-18
2.509 nV
3.548 nV
7.095 nV
-158
0.158E-18
2.815 nV
3.980 nV
7.961 nV
-157
0.200E-18
3.159 nV
4.466 nV
8.932 nV
-156
0.251E-18
3.544 nV
5.011 nV
10.022 nV
-155
0.316E-18
3.976 nV
5.623 nV
11.245 nV
-154
0.398E-18
4.462 nV
6.309 nV
12.617 nV
-153
0.501E-18
5.006 nV
7.078 nV
14.157 nV
-152
0.631E-18
5.617 nV
7.942 nV
15.884 nV
-151
0.794E-18
6.302 nV
8.911 nV
17.822 nV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-150
0.100E-17
7.071 nV
9.998 nV
19.997 nV
-149
0.126E-17
7.934 nV
11.218 nV
22.437 nV
-148
0.158E-17
8.902 nV
12.587 nV
25.175 nV
-147
0.200E-17
9.988 nV
14.123 nV
28.246 nV
-146
0.251E-17
11.207 nV
15.847 nV
31.693 nV
-145
0.316E-17
12.574 nV
17.780 nV
35.560 nV
-144
0.398E-17
14.109 nV
19.950 nV
39.899 nV
-143
0.501E-17
15.830 nV
22.384 nV
44.768 nV
-142
0.631E-17
17.762 nV
25.115 nV
50.230 nV
-141
0.794E-17
19.929 nV
28.180 nV
56.359 nV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-140
0.100E-16
22.361 nV
31.618 nV
63.236 nV
-139
0.126E-16
25.089 nV
35.476 nV
70.952 nV
-138
0.158E-16
28.150 nV
39.805 nV
79.609 nV
-137
0.200E-16
31.585 nV
44.662 nV
89.323 nV
-136
0.251E-16
35.439 nV
50.111 nV
100.222 nV
-135
0.316E-16
39.764 nV
56.226 nV
112.451 nV
-134
0.398E-16
44.615 nV
63.086 nV
126.172 nV
-133
0.501E-16
50.059 nV
70.784 nV
141.568 nV
-132
0.631E-16
56.167 nV
79.421 nV
158.842 nV
-131
0.794E-16
63.021 nV
89.112 nV
178.223 nV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-130
0.100E-15
70.711 nV
99.985 nV
199.970 nV
-129
0.126E-15
79.339 nV
112.185 nV
224.370 nV
-128
0.158E-15
89.019 nV
125.874 nV
251.747 nV
-127
0.200E-15
99.882 nV
141.232 nV
282.465 nV
-126
0.251E-15
112.069 nV
158.465 nV
316.931 nV
-125
0.316E-15
125.743 nV
177.801 nV
355.602 nV
-124
0.398E-15
141.086 nV
199.496 nV
398.992 nV
-123
0.501E-15
158.301 nV
223.838 nV
447.677 nV
-122
0.631E-15
177.617 nV
251.151 nV
502.302 nV
-121
0.794E-15
199.290 nV
281.796 nV
563.591 nV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-120
0.100E-14
223.607 nV
316.180 nV
632.360 nV
-119
0.126E-14
250.891 nV
354.760 nV
709.519 nV
-118
0.158E-14
281.504 nV
398.047 nV
796.094 nV
-117
0.200E-14
315.853 nV
446.616 nV
893.232 nV
-116
0.251E-14
0.354 µV
0.501 µV
1.002 µV
-115
0.316E-14
0.398 µV
0.562 µV
1.125 µV
-114
0.398E-14
0.446 µV
0.631 µV
1.262 µV
-113
0.501E-14
0.501 µV
0.708 µV
1.416 µV
-112
0.631E-14
0.562 µV
0.794 µV
1.588 µV
-111
0.794E-14
0.630 µV
0.891 µV
1.782 µV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-110
0.100E-13
0.707 µV
1.000 µV
2.000 µV
-109
0.126E-13
0.793 µV
1.122 µV
2.244 µV
-108
0.158E-13
0.890 µV
1.259 µV
2.517 µV
-107
0.200E-13
0.999 µV
1.412 µV
2.825 µV
-106
0.251E-13
1.121 µV
1.585 µV
3.169 µV
-105
0.316E-13
1.257 µV
1.778 µV
3.556 µV
-104
0.398E-13
1.411 µV
1.995 µV
3.990 µV
-103
0.501E-13
1.583 µV
2.238 µV
4.477 µV
-102
0.631E-13
1.776 µV
2.512 µV
5.023 µV
-101
0.794E-13
1.993 µV
2.818 µV
5.636 µV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-100
0.100E-12
2.236 µV
3.162 µV
6.324 µV
-99
0.126E-12
2.509 µV
3.548 µV
7.095 µV
-98
0.158E-12
2.815 µV
3.980 µV
7.961 µV
-97
0.200E-12
3.159 µV
4.466 µV
8.932 µV
-96
0.251E-12
3.544 µV
5.011 µV
10.022 µV
-95
0.316E-12
3.976 µV
5.623 µV
11.245 µV
-94
0.398E-12
4.462 µV
6.309 µV
12.617 µV
-93
0.501E-12
5.006 µV
7.078 µV
14.157 µV
-92
0.631E-12
5.617 µV
7.942 µV
15.884 µV
-91
0.794E-12
6.302 µV
8.911 µV
17.822 µV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-90
0.100E-11
7.071 µV
9.998 µV
19.997 µV
-89
0.126E-11
7.934 µV
11.218 µV
22.437 µV
-88
0.158E-11
8.902 µV
12.587 µV
25.175 µV
-87
0.200E-11
9.988 µV
14.123 µV
28.246 µV
-86
0.251E-11
11.207 µV
15.847 µV
31.693 µV
-85
0.316E-11
12.574 µV
17.780 µV
35.560 µV
-84
0.398E-11
14.109 µV
19.950 µV
39.899 µV
-83
0.501E-11
15.830 µV
22.384 µV
44.768 µV
-82
0.631E-11
17.762 µV
25.115 µV
50.230 µV
-81
0.794E-11
19.929 µV
28.180 µV
56.359 µV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-80
0.100E-10
22.361 µV
31.618 µV
63.236 µV
-79
0.126E-10
25.089 µV
35.476 µV
70.952 µV
-78
0.158E-10
28.150 µV
39.805 µV
79.609 µV
-77
0.200E-10
31.585 µV
44.662 µV
89.323 µV
-76
0.251E-10
35.439 µV
50.111 µV
100.222 µV
-75
0.316E-10
39.764 µV
56.226 µV
112.451 µV
-74
0.398E-10
44.615 µV
63.086 µV
126.172 µV
-73
0.501E-10
50.059 µV
70.784 µV
141.568 µV
-72
0.631E-10
56.167 µV
79.421 µV
158.842 µV
-71
0.794E-10
63.021 µV
89.112 µV
178.223 µV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-70
0.100E-09
70.711 µV
99.985 µV
199.970 µV
-69
0.126E-09
79.339 µV
112.185 µV
224.370 µV
-68
0.158E-09
89.019 µV
125.874 µV
251.747 µV
-67
0.200E-09
99.881 µV
141.232 µV
282.465 µV
-66
0.251E-09
112.069 µV
158.465 µV
316.931 µV
-65
0.316E-09
125.743 µV
177.801 µV
355.602 µV
-64
0.398E-09
141.086 µV
199.496 µV
398.992 µV
-63
0.501E-09
158.301 µV
223.838 µV
447.677 µV
-62
0.631E-09
177.617 µV
251.151 µV
502.301 µV
-61
0.794E-09
199.290 µV
281.796 µV
563.592 µV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-60
0.100E-08
223.607 µV
316.180 µV
632.360 µV
-59
0.126E-08
250.891 µV
354.760 µV
709.520 µV
-58
0.158E-08
281.504 µV
398.047 µV
796.094 µV
-57
0.200E-08
315.853 µV
446.616 µV
893.232 µV
-56
0.251E-08
0.354 mV
0.501 mV
1.002 mV
-55
0.316E-08
0.398 mV
0.562 mV
1.125 mV
-54
0.398E-08
0.446 mV
0.631 mV
1.262 mV
-53
0.501E-08
0.501 mV
0.708 mV
1.416 mV
-52
0.631E-08
0.562 mV
0.794 mV
1.588 mV
-51
0.794E-08
0.630 mV
0.891 mV
1.782 mV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-50
0.100E-07
0.707 mV
1.000 mV
2.000 mV
-49
0.126E-07
0.793 mV
1.122 mV
2.244 mV
-48
0.158E-07
0.890 mV
1.259 mV
2.517 mV
-47
0.200E-07
0.999 mV
1.412 mV
2.825 mV
-46
0.251E-07
1.121 mV
1.585 mV
3.169 mV
-45
0.316E-07
1.257 mV
1.778 mV
3.556 mV
-44
0.398E-07
1.411 mV
1.995 mV
3.990 mV
-43
0.501E-07
1.583 mV
2.238 mV
4.477 mV
-42
0.631E-07
1.776 mV
2.512 mV
5.023 mV
-41
0.794E-07
1.993 mV
2.818 mV
5.636 mV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-40
0.100E-06
2.236 mV
3.162 mV
6.324 mV
-39
0.126E-06
2.509 mV
3.548 mV
7.095 mV
-38
0.158E-06
2.815 mV
3.980 mV
7.961 mV
-37
0.200E-06
3.159 mV
4.466 mV
8.932 mV
-36
0.251E-06
3.544 mV
5.011 mV
10.022 mV
-35
0.316E-06
3.976 mV
5.623 mV
11.245 mV
-34
0.398E-06
4.462 mV
6.309 mV
12.617 mV
-33
0.501E-06
5.006 mV
7.078 mV
14.157 mV
-32
0.631E-06
5.617 mV
7.942 mV
15.884 mV
-31
0.794E-06
6.302 mV
8.911 mV
17.822 mV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-30
0.100E-05
7.071 mV
9.998 mV
19.997 mV
-29
0.126E-05
7.934 mV
11.218 mV
22.437 mV
-28
0.158E-05
8.902 mV
12.587 mV
25.175 mV
-27
0.200E-05
9.988 mV
14.123 mV
28.246 mV
-26
0.251E-05
11.207 mV
15.847 mV
31.693 mV
-25
0.316E-05
12.574 mV
17.780 mV
35.560 mV
-24
0.398E-05
14.109 mV
19.950 mV
39.899 mV
-23
0.501E-05
15.830 mV
22.384 mV
44.768 mV
-22
0.631E-05
17.762 mV
25.115 mV
50.230 mV
-21
0.794E-05
19.929 mV
28.180 mV
56.359 mV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-20
0.100E-04
22.361 mV
31.618 mV
63.236 mV
-19
0.126E-04
25.089 mV
35.476 mV
70.952 mV
-18
0.158E-04
28.150 mV
39.805 mV
79.609 mV
-17
0.200E-04
31.585 mV
44.662 mV
89.323 mV
-16
0.251E-04
35.439 mV
50.111 mV
100.222 mV
-15
0.316E-04
39.764 mV
56.226 mV
112.451 mV
-14
0.398E-04
44.615 mV
63.086 mV
126.172 mV
-13
0.501E-04
50.059 mV
70.784 mV
141.568 mV
-12
0.631E-04
56.167 mV
79.421 mV
158.842 mV
-11
0.794E-04
63.021 mV
89.112 mV
178.223 mV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
-10
0.100E-03
70.711 mV
99.985 mV
199.970 mV
-9
0.126E-03
79.339 mV
112.185 mV
224.370 mV
-8
0.158E-03
89.019 mV
125.874 mV
251.747 mV
-7
0.200E-03
99.881 mV
141.232 mV
282.465 mV
-6
0.251E-03
112.069 mV
158.465 mV
316.931 mV
-5
0.316E-03
125.743 mV
177.801 mV
355.602 mV
-4
0.398E-03
141.086 mV
199.496 mV
398.992 mV
-3
0.501E-03
158.301 mV
223.838 mV
447.677 mV
-2
0.631E-03
177.617 mV
251.151 mV
502.301 mV
-1
0.794E-03
199.290 mV
281.796 mV
563.591 mV
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
0
0.100E-02
223.607 mV
316.180 mV
632.360 mV
1
0.126E-02
250.891 mV
354.760 mV
709.520 mV
2
0.158E-02
281.504 mV
398.047 mV
796.094 mV
3
0.200E-02
315.853 mV
446.616 mV
893.232 mV
4
0.251E-02
0.354 V
0.501 V
1.002 V
5
0.316E-02
0.398 V
0.562 V
1.125 V
6
0.398E-02
0.446 V
0.631 V
1.262 V
7
0.501E-02
0.501 V
0.708 V
1.416 V
8
0.631E-02
0.562 V
0.794 V
1.588 V
9
0.794E-02
0.630 V
0.891 V
1.782 V
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
10
0.100E-01
0.707 V
1.000 V
2.000 V
11
0.126E-01
0.793 V
1.122 V
2.244 V
12
0.158E-01
0.890 V
1.259 V
2.517 V
13
0.200E-01
0.999 V
1.412 V
2.825 V
14
0.251E-01
1.121 V
1.585 V
3.169 V
15
0.316E-01
1.257 V
1.778 V
3.556 V
16
0.398E-01
1.411 V
1.995 V
3.990 V
17
0.501E-01
1.583 V
2.238 V
4.477 V
18
0.631E-01
1.776 V
2.512 V
5.023 V
19
0.794E-01
1.993 V
2.818 V
5.636 V
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
20
0.100E+00
2.236 V
3.162 V
6.324 V
21
0.126E+00
2.509 V
3.548 V
7.095 V
22
0.158E+00
2.815 V
3.980 V
7.961 V
23
0.200E+00
3.159 V
4.466 V
8.932 V
24
0.251E+00
3.544 V
5.011 V
10.022 V
25
0.316E+00
3.976 V
5.623 V
11.245 V
26
0.398E+00
4.462 V
6.309 V
12.617 V
27
0.501E+00
5.006 V
7.078 V
14.157 V
28
0.631E+00
5.617 V
7.942 V
15.884 V
29
0.794E+00
6.302 V
8.911 V
17.822 V
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
30
0.100E+01
7.071 V
9.998 V
19.997 V
31
0.126E+01
7.934 V
11.218 V
22.437 V
32
0.158E+01
8.902 V
12.587 V
25.175 V
33
0.200E+01
9.988 V
14.123 V
28.246 V
34
0.251E+01
11.207 V
15.847 V
31.693 V
35
0.316E+01
12.574 V
17.780 V
35.560 V
36
0.398E+01
14.109 V
19.950 V
39.899 V
37
0.501E+01
15.830 V
22.384 V
44.768 V
38
0.631E+01
17.762 V
25.115 V
50.230 V
39
0.794E+01
19.929 V
28.180 V
56.359 V
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
40
0.100E+02
22.361 V
31.618 V
63.236 V
41
0.126E+02
25.089 V
35.476 V
70.952 V
42
0.158E+02
28.150 V
39.805 V
79.609 V
43
0.200E+02
31.585 V
44.662 V
89.323 V
44
0.251E+02
35.439 V
50.111 V
100.222 V
45
0.316E+02
39.764 V
56.226 V
112.451 V
46
0.398E+02
44.615 V
63.086 V
126.172 V
47
0.501E+02
50.059 V
70.784 V
141.568 V
48
0.631E+02
56.168 V
79.421 V
158.842 V
49
0.794E+02
63.021 V
89.112 V
178.223 V
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
50
0.100E+03
70.711 V
99.985 V
199.970 V
51
0.126E+03
79.339 V
112.185 V
224.370 V
52
0.158E+03
89.020 V
125.874 V
251.747 V
53
0.200E+03
99.882 V
141.232 V
282.465 V
54
0.251E+03
112.069 V
158.465 V
316.931 V
55
0.316E+03
125.743 V
177.801 V
355.602 V
56
0.398E+03
141.086 V
199.496 V
398.992 V
57
0.501E+03
158.302 V
223.838 V
447.677 V
58
0.631E+03
177.617 V
251.151 V
502.302 V
59
0.794E+03
199.290 V
281.796 V
563.592 V
[dBm]
[Watts]
[Volts]rms
[Volts]p
[Volts]pp
60
0.100E+04
223.607 V
316.180 V
632.360 V