The Blog

Design insights from the Digital Polo studio

Page 4 of 16

Overhead view of a sign fabricator's bench — blank cream, sage and terracotta sign panels laid out in a grid beside a steel tape measure, calipers, a folding rule and a graduated stack of acrylic squares, representing letter height specification before fabrication

Signage Spec Guide: Letter Height by Viewing Distance

The complete specification guide to sign letter height — why the 1-inch-per-10-feet rule contradicts every other chart, the arcminute maths that reconciles them, cap height versus point size, speed-based distance for roadside signs, ADA minimums, and the artwork spec that gets it built right.

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