Letter Visibility Chart

 

Letter Height
Maximum Readable Distance
Readable Distance for Maximum Impact
3"
100'
30'
4"
150'
40'
6"
200'
60'
8"
350'
80'
9"
400'
90'
10"
450'
100'
12"
525'
120'
15"
630'
150'
18"
750'
180'
24"
1000'
240'
30"
1250'
300'
36"
1500'
360'
42"
1750'
420'
48"
2000'
480'
54"
2250'
540'
60"
2500'
600'

This letter visibility chart is based on information provided by the California institute of technology. The distances can vary approx. 10% with various color combinations. Atmospheric conditions will also vary results. Maximum results are achieved with black on a white background.

 

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The Allison Companies, Inc., Mason Contractors, Goodlettsville, TN