Screen pixel density
Estimate pixels per inch, pixel pitch and physical screen dimensions from resolution and diagonal.
Your inputs
The editable example is illustrative. Enter your own dimensions, operating data, prices, and fees. Results update as you edit.
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Your result
Complete the inputs to see your result.
How it works
- PPI = √(Horizontal pixels² + Vertical pixels²) ÷ Physical diagonal (inch); Physical width = Horizontal pixels/PPI
- Worked example: √(1920²+1080²)/24 ≈ 91.787798753 PPI
- Supported input limits: Horizontal pixels: 1 ≤ x ≤ 1000000; Vertical pixels: 1 ≤ x ≤ 1000000; Physical diagonal: 1e-12 ≤ x ≤ 1000000000000
Assumptions and limitations
Decimal SI prefixes use powers of 1000; binary IEC prefixes use 1024. One byte is eight bits. Transfer estimates assume constant throughput; video uses average bitrates and explicit overhead. Screen calculations assume square pixels. Printing preserves aspect ratio through fit or crop; image PPI is distinct from printer DPI. Exact storage ratios are retained; nonterminating decimal displays round to twelve places.
Sources
- emonster — Screen pixel density calculator Sources reviewed: 2026-10-06
