Letter Visibility Chart

The information presented in this chart is based on lettering using the font Helvetica as black text on a white background in a composition using optimal negative space seen in natural lighting. This condition represents a sign with maximum legibility. Factors that would decrease the legibility of the sign are: font selection, color choice, lighting, negative space, and other environmental factors.

Upper &
Lower case

ALL
CAPITALS

letter
height

maximum
legible
distance

letter
height

maximum
legible
distance

0.5' 14'
0.75' 22'
1' 29'
1.25' 36'
1.5' 43'
1.75' 51'
2' 58'
2.5' 72'
3' 87'
3.5' 101'
4' 116'
4.5' 130'
5' 145'
6' 174'
8' 232'
10' 290'
12' 348'
16' 464'
18' 522'
20' 580'
24' 696'
30' 870'
36' 1044'
48' 1392'
0.5' 12'
0.75' 19'
1' 25'
1.25' 31'
1.5' 37'
1.75' 43'
2' 50'
2.5' 62'
3' 75'
3.5' 87'
4' 100'
4.5' 112'
5' 125'
6' 150'
8' 200'
10' 250'
12' 300'
16' 400'
18' 450'
20' 500'
24' 600'
30' 750'
36' 900'
48' 1200'
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Shop and compare from the several different “illuminated ” sign letter options. Channel letters, Reverse Channel letters, Halo Lit Letters, and Unique Illuminated Letters and Logos. We’ve supplied these letters for Businesses, Retail Locations, Medical Locations, Schools, Churches, Sports Bars and Restaurants. We provide long lasting, quality Illuminated Sign Letters and have shipped these letters all over the USA, and other parts of the world. Call us with all of your signage questions, our friendly signage experts are here to help you.



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