Toolkit · Sign Sizing Calculator

Find the right sign size for any viewing distance

Calculates the minimum legible safety-sign height based on your viewing distance and lighting conditions. Adjust the parameters below; the visual preview and dimensions update live.

1 Standard Which standard governs your project?

2 Sign Category What kind of sign?

3 Lighting Sets the distance factor Z

4 Viewing Distance How far away does it need to be legible?

10m