Lettering Visibility

Size	Impact	Maximum
1"	10ft	30ft
2"	20ft	70ft
3"	30ft	100ft
4"	40ft	140ft
5"	50ft	175ft
6"	60ft	200ft
7"	70ft	275ft
8"	80ft	350ft
9"	90ft	400ft
10"	100ft	450ft
11"	110ft	480ft
12"	120ft	525ft
24"	240ft	1000ft
36"	360ft	1500ft
48"	480ft	2000ft

Distances may vary 10% depending on various color combinations. For the best results use Black or Red on a white background. Size- Actual size of letter/number.
Impact- Distance were a letter/number is most readable.
Maximum- Farthest distance a person can read a letter/number.