dB Tables


Voltage Ratio for dBu
dBu Voltage (V) dBu Voltage (V)
0 0.7746 0 0.7746
1 0.8691 -1 0.6904
2 0.9752 -2 0.6153
3 1.0941 -3 0.5484
4 1.2277 -4 0.4887
5 1.3774 -5 0.4356
6 1.5455 -6 0.3882
7 1.7341 -7 0.3460
8 1.9457 -8 0.3084
9 2.1831 -9 0.2748
10 2.4495 -10 0.2449
11 2.7484 -11 0.2183
12 3.0837 -12 0.1946
13 3.4600 -13 0.1734
14 3.8822 -14 0.1546
15 4.3559 -15 0.1377
16 4.8874 -16 0.1228
17 5.4837 -17 0.1094
18 6.1528 -18 0.0975
19 6.9036 -19 0.0869
20 7.7460 -20 0.0775
21 8.6911 -21 0.0690
22 9.7516 -22 0.0615
23 10.9415 -23 0.0548
24 12.2765 -24 0.0489
25 13.7745 -25 0.0436
26 15.4552 -26 0.0388
27 17.3411 -27 0.0346
28 19.4570 -28 0.0308
29 21.8311 -29 0.0275
30 24.4949 -30 0.0245
31 27.4837 -31 0.0218
32 30.8372 -32 0.0195
33 34.6000 -33 0.0173
34 38.8218 -34 0.0155
35 43.5588 -35 0.0138
36 48.8737 -36 0.0123
37 54.8372 -37 0.0109
38 61.5284 -38 0.0098
39 69.0360 -39 0.0087
40 77.4597 -40 0.0077



dBPower RatioVoltage or Current Ratio dBPower RatioVoltage or Current Ratio
0
0.5
1.0
1.5
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0		 1.00
1.12
1.26
1.41
1.58
2.00
2.51
3.16
3.98
5.01
6.31
7.94		 1.00
1.06
1.12
1.19
1.26
1.41
1.58
1.78
2.00
2.24
2.51
2.82		 10
15
20
25
30
40
50
60
70
80
90
100		 10,0
31,6
100
316
1.000
10.000
100.000
1.000.000
10.000.000
100.000.000
1.000.000.000
10.000.000.000		 3,16
5,62
10
17,78
31,6
100
316
1.000
3.162
10.000
31.620
10.0000



Voltage Ratio for dbV
dBV Voltage
 0 1V
-1 0.891V
-2 0.794V
-3 0.707V
-4 0.631V
-5 0.562V
-6 0.5V
-7 0.447V
-8 0.398V
-9 0.355V
-10 0.316V
-12 0.250V
-16 0.158V
-20 0.1V
-40 0.01V