Topaz SIGNworks – Determining the correct size of the letters to use for your sign is dependent local government guidelines and the distance in which the sign will be viewed. A rule of thumb for the best viewing impact is for every 10 feet the letter height is 1 inch. These are simply averages and specific viewing requirements should be considered.
The following easy to use chart is from the United States Sign Council (USCC) provides a good guideline to help you in determining the size of letters to use for your sign.
Letter Height Readable Distance Best Impact Distance
3 inches 100 feet 30 feet
4 inches 150 feet 40 feet
6 inches 200 feet 60 feet
8 inches 350 feet 80 feet
10 inches 450 feet 100 feet
12 inches 525 feet 120 feet
15 inches 630 feet 150 feet
18 inches 750 feet 180 feet
24 inches 1,000 feet 240 feet
30 inches 1,250 feet 300 feet
36 inches 1,500 feet 360 feet
42 inches 1,750 feet 420 feet
Topaz SignWorks is a full service Sign & Graphics company and is here to help you with your signage needs. Give us a call at 636.236.6778 or email us at info@topazsignworks.com and see how we can help!
