Letter Visibility Chart
Letter Height |
Maximum Impact |
Maximum Readable distance |
5/8” |
|
15’ |
3/4” |
the following distances |
18’ |
7/8” |
will vary approximately |
21’ |
1” |
10% with various color |
24’ |
1 1/4” |
combinations. Maximum |
30’ |
1 1/2” |
distance in color would |
36’ |
1 3/4” |
be RED or BLACK |
42’ |
2” |
on a white background. |
48’ |
2 1/2” |
|
60’ |
3” |
30’ |
100’ |
4” |
40’ |
150’ |
6” |
60’ |
200’ |
8” |
80’ |
350’ |
9” |
90’ |
400’ |
10” |
100’ |
450’ |
12” |
120’ |
525’ |
15” |
150’ |
630’ |
18” |
180’ |
750’ |
24” |
240’ |
1000’ |
30” |
300’ |
1250’ |
36” |
360’ |
1500’ |
42” |
420’ |
1750’ |
48” |
480’ |
2000’ |
54” |
540’ |
2250’ |
60” |
600’ |
2500’ |