Computer display size calculator

Surprisingly, could not find quick tool to compare various screen sizes and resolutions.

It is useful to understand why a modern 14 inch display (with 16:9 ratio) is almost a centimeter shorter vertically than older 12 inch (with 4:3 ratio).


So here it is:

Diagonal inches or select
Resolution x or select


Screen area: square inches.
Width: , height: inches.
Pixel density: pixels per inch.
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