How to Use This Tool
- Step 1: Enter screen pixel width and height (e.g. 2560 x 1440).
- Step 2: Enter diagonal screen size in inches (e.g. 27).
- Step 3: View exact PPI pixel density value.
Key Features & Advantages
- Calculates exact PPI pixel density.
- Displays total megapixels and dot pitch size.
Technical Details & Specifications
Pythagorean theorem formula: sqrt(w^2 + h^2) / diagonal_inches.
Frequently Asked Questions
What is considered a Retina high-density PPI?
Displays above 220 PPI are generally considered high-density Retina class.