PPI Calculator | Pixels Per Inch & Display Density
Calculate the PPI (Pixels Per Inch) and pixel density of any screen. Compare display sharpness across laptops, monitors, and smartphones.
Device Category
About PPI
Calculate Pixels Per Inch (PPI) for your display.
Formula
PPI = √(W² + H²) / D
W = Width (px), H = Height (px), D = Diagonal (inches)
What is PPI?
PPI measures pixel density. Higher PPI means sharper images and more detail.
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