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PPI / Pixel Density Calculator

Calculate pixels per inch, pixel pitch and screen dimensions from resolution and diagonal.

PPI / Pixel Density Calculator

FREE ONLINE TOOL

Horizontal resolution (pixels)

Vertical resolution (pixels)

Diagonal (inches)

Pixel density

91.7878 PPI

Pixel pitch

0.2767 mm

Screen width

53.1312 cm

Screen height

29.8863 cm

PPI = √(width² + height²) ÷ diagonal in inches. Assumes square pixels and a flat rectangular screen, excluding the bezel. PPI is not printer DPI or CSS pixel density.

STEP BY STEP

How to use ppi / pixel density calculator

Read the result and units.
Check the method and assumptions.

IN PRACTICE

Example

1920 × 1080 on a 24-inch screen = 91.79 PPI.

GOOD TO KNOW

Which formula or method is used?

PPI = √(width² + height²) ÷ diagonal in inches. Assumes square pixels and a flat rectangular screen, excluding the bezel. PPI is not printer DPI or CSS pixel density.

PPI / Pixel Density Calculator

PPI / Pixel Density Calculator

How to use ppi / pixel density calculator

Example

Which formula or method is used?

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