Volts to dBm Equation, Calculator and Table
Electronics, Instrumentation & Electrical Database
Volts to dBm Equation, Calculator and Table
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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
-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
|
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
|
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
|
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
|
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
|
40 |
0.100E+02 |
22.361 V |
31.618 V |
63.236 V
|