Pixel Density Calculator
Calculates pixels-per-inch (PPI) from resolution and screen diagonal.
Lilu Baba's Pixel Density Calculator computes PPI from a screen's resolution and diagonal size — higher PPI generally means sharper, crisper visuals.
How to use this calculator
- Enter the screen's resolution.
- Enter its diagonal size in inches.
- Pixel density (PPI) updates instantly.
Pixel Density (PPI)
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FAQ
Pixel Density Calculator — frequently asked questions
Roughly 300 PPI or higher is often cited as the threshold where individual pixels become imperceptible at normal viewing distance.
Generally yes for sharpness, though viewing distance matters — a lower PPI can look fine on a large screen viewed from far away.