Screen PPI Calculator
Work out pixel density, dot pitch and physical size of any screen.
How it works
- 1Enter the resolution.
- 2Enter the diagonal in inches.
- 3Read the PPI and size.
Features
- PPI and dot pitch.
- Width and height in inches and cm.
- Aspect ratio.
- Private: runs in your browser; nothing is uploaded.
Frequently asked questions
What's a good PPI?
About 110 for a desktop monitor at arm's length, 300+ for a phone.
PPI vs DPI?
PPI is pixels on a screen; DPI is printer dots. People often use them interchangeably.
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