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Hardware & Display

Screen PPI & DPI Density Calculator

Calculate display pixel density (PPI) using screen resolution and diagonal size.

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141 PPIPixels Per Inch Density
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How to Use This Tool

  1. Step 1: Enter screen pixel width and height (e.g. 2560 x 1440).
  2. Step 2: Enter diagonal screen size in inches (e.g. 27).
  3. 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.

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