Mavis Tools

Developer

Screen PPI Calculator

Calculate screen pixel density from resolution and diagonal size.

About this screen ppi calculator

Calculate screen pixel density for monitors, phones, tablets, design specs, and display comparisons.

Mavis Tools is built for quick utility work: paste the input, get the result, and move on. The page is static-first for speed, and the interactive work happens in your browser. That makes it useful for drafts, calculations, debugging snippets, and repeat everyday tasks.

This tool is intentionally focused. It does one job clearly instead of asking for an account or hiding the result behind a long workflow. Bookmark it if you need a fast PPI calculator that works on desktop and mobile.

FAQ

What formula is used?

PPI equals diagonal pixels divided by diagonal inches.

Does it calculate aspect ratio?

It also shows the simplified pixel aspect ratio.

Is data uploaded?

Yes. The tool runs in your browser, and the input is not uploaded to a server.