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