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Back to Home dBm to Milliwatts and to Watts
By Mike Morris WA6ILQ

dBm	Milliwatts
-10	0.100
-9	0.126
-8	0.158
-7	0.200
-6	0.251
-5	0.316
-4	0.398
-3	0.501
-2	0.631
-1	0.794

dBm	Milliwatts
0	1.000
1	1.259
2	1.585
3	1.995
4	2.512
5	3.162
6	3.981
7	5.012
8	6.310
9	7.943

dBm	Milliwatts
10	10.00
11	12.59
12	15.85
13	19.95
14	25.12
15	31.62
16	39.81
17	50.12
18	63.10
19	79.43
20	100.00

dBm	Watts
20	0.1
21	0.125
22	0.158
23	0.200
24	0.251
25	0.316
26	0.398
27	0.501
28	0.630
29	0.794

dBm	Watts
30	1.00
31	1.259
32	1.585
33	1.995
34	2.511
35	3.162
36	3.981
37	5.012
38	6.310
39	7.943

dBm	Watts
40	10.00
41	12.69
42	15.85
43	19.95
44	25.12
45	31.62
46	39.81
47	50.12
48	63.10
49	79.43
50	100.0

A similar table with some additional descriptive info is here.

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This web page created and first posted 14-Oct-2009.

This web page, this web site, the information presented in and on its pages and in these modifications and conversions is © Copyrighted 1995 and (date of last update) by Kevin Custer W3KKC and multiple originating authors. All Rights Reserved, including that of paper and web publication elsewhere.