PPI Calculator

Calculate pixels per inch from screen resolution and diagonal size.

Your result will appear here

Enter values and press Calculate.

How to use this calculator

Enter the values requested in the calculator form.
Press Calculate to generate the result instantly.
Compare the answer with the formula and examples below.

Examples

1920×1080 on a 24-inch display is about 91.79 PPI.

Frequently Asked Questions

Is higher PPI always better?

Higher PPI is sharper, but distance and screen quality also matter.