Visibility

Maximum Readable Distance (In Feet) Distance for Best Impact (In Feet) Letter Height (In Inches)
100′ 30′ 3″
150′ 40′ 4″
200′ 60′ 6″
350′ 80′ 8″
400′ 90′ 9″
450′ 100′ 10″
525′ 120′ 12″
630′ 150′ 15″
750′ 180′ 18″
1000′ 250′ 24″
1250′ 300′ 30″
1500′ 360′ 36″
1750′ 420′ 42″
2000′ 480′ 48″
2250′ 540′ 54″
2500′ 600′ 60″