ScreenPPI
Calculate

Resolution · diagonal · density

Calculate screen pixel density without guessing.

Enter native width, height and visible diagonal to get PPI, pitch and physical dimensions.

Local exact inputs

Screen geometry

No device data sent
px
px

Use the active visible panel diagonal and native pixel dimensions. This calculator does not rate image quality, viewing distance, eyesight, or medical-display suitability.

Calculated geometry

Screen density result

Pixel density108.785539 PPI42.828952 px/cm · 0.233487 mm
Physical size23.53254 × 13.237053 in
Metric size59.77265 × 33.622116 cm
Pixel diagonal2937.20956 px
Reduced aspect ratio16:9
Total pixels3686400
Megapixels3.6864 MP

√(2560² + 1440²) ÷ 27 in = 108.785539 PPI

Displayed derived values are rounded to six decimal places; entered whole pixel counts remain exact.