| LETTER VISIBILITY CHART | ||
|---|---|---|
| LETTER HEIGHT | MAX IMPACT DISTANCE |
MAX READABLE DISTANCE |
| 3 inch | 30feet | 100 feet |
| 4 inch | 40 feet | 150 feet |
| 6 inch | 60 feet | 200 feet |
| 8 inch | 80 feet | 350 feet |
| 9 inch | 90 feet | 400 feet |
| 10 inch | 100 feet | 450 feet |
| 12 inch | 120 feet | 525 feet |
| 15 inch | 150 feet | 630 feet |
| 18 inch | 180 feet | 750 feet |
| - | - | - |
| 24 inch | 240 feet | 1000 feet |
| 30 inch | 300 feet | 1250 feet |
| 36 inch | 360 feet | 1500 feet |
| 42 inch | 420 feet | 1750 feet |
| 48 inch | 480 feet | 2000 feet |
| 54 inch | 540 feet | 2250 feet |
| 60 inch | 600 feet | 2500 feet |
| This is based on dark text on a plain white background in clear weather conditions There is an approximate 10% variance when using various color combinations. |
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