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