PPI calculator
Calculate pixels per inch, pixel pitch, physical size and megapixels for any monitor from its diagonal and resolution.
OpenTools
Measure before you choose.
Free calculators for pixel density, screen size and viewing distance. Precise, private, and they run in your browser.
Monitor size calculator
Find the real width and height of any monitor, in inches and centimetres, from its diagonal and aspect ratio or resolution.
OpenViewing distance calculator
Find the distance at which individual pixels disappear, and how much of your field of view a monitor fills at your seating distance.
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