Screen Size & PPI Converters

Estimate PPI, diagonal size, and pixel pitch using resolution-specific formulas for practical display planning and hardware comparisons.

Explanation

Screen density and size relationships are profile-dependent because the same diagonal dimension can map to different PPI at different resolutions. This hub keeps each resolution profile explicit in the URL, then applies formulas for PPI, diagonal size, and pixel pitch conversions.

The Screen Size Ppi hub maps related converter families into directional routes with consistent assumptions.

Read more

Open a family hub to reach leaf pages with direct answers, calculator output, and reverse links built on the same constants.

Frequently Asked Questions

Why is resolution fixed in each page?

Because PPI and diagonal-size relationships depend on pixel dimensions. Fixing resolution avoids hidden assumptions.

Is pixel pitch the same as PPI?

They are related inversely. Pixel pitch is physical spacing per pixel, while PPI is the number of pixels per inch.

Can I use this for monitor and phone comparisons?

Yes. Profiles include desktop, ultrawide, and mobile formats to compare density and physical sizing across devices.