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Display density calculator

PPI Calculator

Calculate pixel density from resolution and diagonal display size for phones, laptops, monitors, and TVs.

Calculate PPI

Enter resolution and diagonal size to estimate pixels per inch.

Pixel density

91.8 PPI

1920 × 1080 on 24 inches

Why PPI matters

PPI helps compare sharpness across displays. A larger monitor with the same resolution usually has lower PPI, while a smaller high-resolution phone has much higher PPI.

Lower PPI

Text and UI can look larger, but pixels may be more visible at close distances.

Higher PPI

Sharper text and images, usually better for phones, tablets, design, and retina-style screens.