Distance Legibility Chart

Determining the size of any sign begins with selection of a font and determining the size of copy needed.

The chart below will give you a good idea of the minimum copy size for signs.

Letter Height Legible Viewing Distance
5/16″ 7′
1/2″ 12′
3/4″ 18′
1″ 25′
1-1/2″ 36′
2″ 49′
3″ 74′
4″ 113′
6″ 150′
Letter Height Legible Viewing Distance
9″ 300′  (Football field length)
12″ 395′
14″ 440′
18″ 560′
24″ 750′
36″ 1130′  (1/5 of a mile)
48″ 1500′
72″ 2230′
96″ 3000′  (3/5 of a mile)

Source: Wayfinding, People, Signs & Architecture, Paul Arthur, 1992

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1730 State Hwy 153  |  Mosinee, WI 54455  |  Phone: 715-693-0600  |  info@hayes-graphics.com