dBm to Watt. Volt (RMS)

dBm	Watt	Volt (50 Ω)	Volt (75 Ω)
-70	100 pW	70.711 uV	86.603 uV
-69	125.893 pW	79.339 uV	97.170 uV
-68	158.489 pW	89.019 uV	109.026 uV
-67	199.526 pW	99.881 uV	122.329 uV
-66	251.189 pW	112.069 uV	137.256 uV
-65	316.228 pW	125.743 uV	154.004 uV
-64	398.107 pW	141.086 uV	172.795 uV
-63	501.187 pW	158.301 uV	193.879 uV
-62	630.957 pW	177.617 uV	217.536 uV
-61	794.328 pW	199.290 uV	244.079 uV
-60	1 nW	0.224 mV	0.274 mV
-59	1.259 nW	0.251 mV	0.307 mV
-58	1.585 nW	0.282 mV	0.349 mV
-57	1.995 nW	0.316 mV	0.387 mV
-56	2.512 nW	0.354 mV	0.434 mV
-55	3.162 nW	0.398 mV	0.487 mV
-54	3.981 nW	0.446 mV	0.546 mV
-53	5.012 nW	0.501 mV	0.613 mV
-52	6.310 nW	0.562 mV	0.688 mV
-51	7.943 nW	0.630 mV	0.772 mV
-50	10 nW	0.707 mV	0.866 mV
-49	12.589 nW	0.793 mV	0.972 mV
-48	15.849 nW	0.890 mV	1.090 mV
-47	19.953 nW	0.999 mV	1.223 mV
-46	25.119 nW	1.121 mV	1.373 mV
-45	31.623 nW	1.257 mV	1.540 mV
-44	39.811 nW	1.411 mV	1.728 mV
-43	50.119 nW	1.583 mV	1.939 mV
-42	63.096 nW	1.776 mV	2.175 mV
-41	79.433 nW	1.993 mV	2.441 mV
-40	100 nW	2.236 mV	2.739 mV
-39	125.893 nW	2.509 mV	3.073 mV
-38	158.489 nW	2.815 mV	3.448 mV
-37	199.526 nW	3.159 mV	3.868 mV
-36	251.189 nW	3.544 mV	4.340 mV
-35	316.228 nW	3.976 mV	4.870 mV
-34	398.107 nW	4.462 mV	5.464 mV
-33	501.187 nW	5.006 mV	6.131 mV
-32	630.957 nW	5.617 mV	6.879 mV
-31	794.328 nW	6.302 mV	7.718 mV
-30	1 uW	7.071 mV	8.660 mV
-29	1.259 uW	7.934 mV	9.717 mV
-28	1.585 uW	8.902 mV	10.903 mV
-27	1.995 uW	9.988 mV	12.233 mV
-26	2.512 uW	11.207 mV	13.726 mV
-25	3.162 uW	12.574 mV	15.400 mV
-24	3.981 uW	14.109 mV	17.279 mV
-23	5.012 uW	15.830 mV	19.388 mV
-22	6.310 uW	17.762 mV	21.754 mV
-21	7.943 uW	19.929 mV	24.408 mV
-20	10 uW	22.361 mV	27.386 mV
-19	12.589 uW	25.089 mV	30.728 mV
-18	15.849 uW	28.150 mV	34.477 mV
-17	19.953 uW	31.585 mV	38.684 mV
-16	25.119 uW	35.439 mV	43.404 mV
-15	31.623 uW	39.764 mV	48.700 mV
-14	39.811 uW	44.615 mV	54.643 mV
-13	50.119 uW	50.059 mV	61.310 mV
-12	63.096 uW	56.167 mV	68.791 mV
-11	79.433 uW	63.021 mV	77.185 mV
-10	100 uW	70.711 mV	86.603 mV
-9	125.893 uW	79.339 mV	97.170 mV
-8	158.489 uW	89.019 mV	109.026 mV
-7	199.526 uW	99.881 mV	122.329 mV
-6	251.189 uW	112.069 mV	137.256 mV
-5	316.228 uW	125.743 mV	154.004 mV
-4	398.107 uW	141.086 mV	172.795 mV
-3	0.501 mW	158.301 mV	193.879 mV
-2	0.631 mW	177.617 mV	217.536 mV
-1	0.794 mW	199.290 mV	244.079 mV
0	1 mW	223.607 mV	273.861 mV
1	1.259 mW	250.891 mV	307.277 mV
2	1.585 mW	281.504 mV	344.771 mV
3	1.995 mW	315.853 mV	386.839 mV
4	2.512 mW	354.393 mV	434.041 mV
5	3.162 mW	397.635 mV	487.002 mV
6	3.981 mW	446.154 mV	0.546 V
7	5.012 mW	0.501 V	0.613 V
8	6.310 mW	0.562 V	0.688 V
9	7.943 mW	0.630 V	0.772 V
10	10 mW	0.707 V	0.866 V
11	12.589 mW	0.793 V	0.972 V
12	15.849 mW	0.890 V	1.090 V
13	19.953 mW	0.999 V	1.223 V
14	25.119 mW	1.121 V	1.373 V
15	31.623 mW	1.257 V	1.540 V
16	39.811 mW	1.411 V	1.728 V
17	50.119 mW	1.583 V	1.939 V
18	63.096 mW	1.776 V	2.175 V
19	79.433 mW	1.993 V	2.441 V
20	100 mW	2.236 V	2.739 V
21	125.893 mW	2.509 V	3.073 V
22	158.489 mW	2.815 V	3.448 V
23	199.526 mW	3.159 V	3.868 V
24	251.189 mW	3.544 V	4.340 V
25	316.228 mW	3.976 V	4.870 V
26	398.107 mW	4.462 V	5.464 V
27	0.501 W	5.006 V	6.131 V
28	0.631 W	5.617 V	6.879 V
29	0.794 W	6.302 V	7.718 V
30	1 W	7.071 V	8.660 V
31	1.259 W	7.934 V	9.717 V
32	1.585 W	8.902 V	10.903 V
33	1.995 W	9.988 V	12.233 V
34	2.512 W	11.207 V	13.726 V
35	3.162 W	12.574 V	15.400 V
36	3.981 W	14.109 V	17.279 V
37	5.012 W	15.830 V	19.388 V
38	6.310 W	17.762 V	21.754 V
39	7.943 W	19.929 V	24.408 V
40	10 W	22.361 V	27.386 V
41	12.589 W	25.089 V	30.728 V
42	15.849 W	28.150 V	34.477 V
43	19.953 W	31.585 V	38.684 V
44	25.119 W	35.439 V	43.404 V
45	31.623 W	39.764 V	48.700 V
46	39.811 W	44.615 V	54.643 V
47	50.119 W	50.059 V	61.310 V
48	63.096 W	56.167 V	68.791 V
49	79.433 W	63.021 V	77.185 V
50	100 W	70.711 V	86.603 V
51	125.893 W	79.339 V	97.170 V
52	158.489 W	89.019 V	109.026 V
53	199.526 W	99.881 V	122.329 V
54	251.189 W	112.069 V	137.256 V
55	316.228 W	125.743 V	154.004 V
56	398.107 W	141.086 V	172.795 V
57	501.187 W	158.301 V	193.879 V
58	630.957 W	177.617 V	217.536 V
59	794.328 W	199.290 V	244.079 V
60	1 kW	223.607 V	273.861 V
61	1.259 kW	250.8917 V	307.277 V
62	1.585 kW	281.504 V	344.771 V
63	1.995 kW	315.853 V	386.839 V
64	2.512 kW	354.393 V	434.041 V
65	3.162 kW	397.635 V	487.002 V
66	3.981 kW	446.154 V	546.425 V
67	5.012 kW	500.593 V	613.099 V
68	6.310 kW	561.675 V	687.908 V
69	7.943 kW	630.210 V	771.846 V
70	10 kW	707.107 V	866.025 V