Watts - Dbm reference Table
Referenced to 50 ohms
Watt dbm Watt dbm
1 pW = -90 100 mW = +20
10 pW = -80 200 mW = +23
100 pW = -70 400 mW = +26
1 nW = -60 500 mW = +27
10 nW = -50 800 mW = +29
100 nW = -40 1 W = +30
1 uW = -30 2 W = +33
2 uW = -27 4 W = +36
4 uW = -24 5 W = +37
5 uW = -23 8 W = +39
8 uW = -21 10 W = +40
10 uW = -20 20 W = +43
20 uW = -17 40 W = +46
40 uW = -14 50 W = +47
50 uW = -13 80 W = +49
80 uW = -11 100 W = +50
100 uW = -10 200 W = +53
200 uW = -7 400 W = +56
400 uW = -4 500 W = +57
500 uW = -3 800 W = +59
800 uW = -1 1000 W = +60
1 mW = 0 2000 W = +63
2 mW = +3 4000 W = +66
4 mW = +6 5000 W = +67
5 mW = +7 8000 W = +69
8 mW = +9 10000 W = +70
10 mW = +10 20000 W = +73
20 mW = +13 40000 W = +76
40 mW = +16 50000 W = +77
50 mW = +17 80000 W = +79
80 mW = +19 100000 W = +80
(c)VK6ZSE 1993-2012
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