Letter Visibility Chart

Letter Height Readable Distance for Maximum Impact Maximum Readable Distance
3″ Letters 30′ 100′
4″ Letters 40′ 150′
6″ Letters 60′ 200′
8″ Letters 80′ 350′
9″ Letters 90′ 400′
10″ Letters 100′ 450′
12″ Letters 120′ 525′
15″ Letters 150′ 630′
18″ Letters 180′ 750′
24″ Letters 240′ 1000′
30″ Letters 300′ 1250′That’s almost
1/4 a mile!
36″ Letters 360′ 1500′
42″ Letters 420′ 1750′That’s almost
1/3 a mile!
48″ Letters 480′ 2000′
54″ Letters 540′ 2250′
60″ Letters 600′ 2500′That’s almost
1/2 a mile!
The distances will vary approximately 10% with various color combination’s. Maximum distance is in color with RED or BLACK on a WHITE background