How it works: This calculator determines the minimum readable text size based on your screen specifications and visual acuity. The calculation considers screen pixel density, viewing distance, and the minimum angular size required for your acuity level.
Visual Simulator
Enter your screen specifications and visual acuity to see how readable text would appear:
Screen: Enter details
Distance: Enter details
Acuity: Select level
Enter details to see preview
Note: This is a proportional representation. The actual text size will depend on your browser's zoom level.