PPI (Pixels Per Inch) Calculator

Users input resolution (e.g., 1920x1080) and screen diagonal size (e.g., 24 inches) to calculate the pixel density. Critical for determining if a display is "Retina" quality.

Pixels Per Inch (PPI)

Dot Pitch

Total Pixels

Features

  • Calculates Pixels Per Inch (PPI) from resolution and screen size.
  • Calculates Dot Pitch (pixel size in mm).
  • Calculates Total Pixel Count.
  • Quick presets for common resolutions (1080p, 1440p, 4K).

How to Use

  1. Enter the Horizontal and Vertical resolution of your screen (e.g., 1920 and 1080).
  2. Enter the diagonal size of the screen in inches (e.g., 24).
  3. The PPI, Dot Pitch, and Total Pixels will automatically update.
  4. Use this to compare sharpness between different monitors or phone screens.