Density to Percent Transmission Conversion Table
Density – % Transmission
(Opacity x % Transmission = 100)
Density
Opacity
%T
0
1.0
100
0.1
1.3
80
0.2
1.6
63
0.3
2.0
50
0.4
2.5
40
0.5
3.2
32
0.6
4.0
25
0.7
5.0
20
0.8
6.3
16
0.9
8.0
13
1.0
10.0
10
1.1
13
8.0
1.2
16
6.3
1.3
20
5.0
1.4
25
4.0
1.5
32
3.2
1.6
40
2.5
1.7
50
2.0
1.8
63
1.6
1.9
80
1.3
2.0
100
1.0
2.1
130
0.8
2.2
160
0.63
2.3
200
0.5
2.4
250
0.4
2.5
320
0.32
2.6
400
0.25
2.7
500
0.2
2.8
630
0.16
2.9
800
0.13
3.0
1000
0.1
D = log 1/T and T = 10-D
where D = Density and T = Transmission
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