AbraCalc

Monitor PPI Calculator

Calculate the pixel density (PPI) of any monitor from its resolution and diagonal size.

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How to use this tool

  1. Enter horizontal resolution, vertical resolution and screen diagonal in the fields above.
  2. Results update instantly as you type — or click Calculate.
  3. Read your pixel density and the full breakdown beneath it.

Enter your screen resolution and diagonal size to calculate pixel density (PPI).

Frequently asked questions

What is a good PPI for a monitor?
90–100 PPI is standard for desktop monitors at typical viewing distances. 140+ PPI gives noticeably sharper text. 220+ PPI is Retina-class.

References & sources