Formula
PPI = √(horizontal pixels² + vertical pixels²) ÷ diagonal inches.
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Screen PPI Calculator
Enter your values for a transparent, reproducible screen ppi calculator, with the formula and scope shown.
LiveGeneral formulaLocal calculationUS · USD
Your inputs
Enter real numbers
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Live result
Screen pixel density
108.8 PPI
This result updates automatically when you change an input.
- Diagonal pixels
- 2,937 px
- Screen size
- 27 in
- Pixel pitch
- 0.233 mm
Reproducible, not guessed
How was this calculated?
Scope
Perceived sharpness also depends on scaling, viewing distance, font rendering and panel structure.
Model context
localeen-UScountryUScurrencyUSDtimezoneAmerica/New_Yorkunit_systemimperialrules_versionus-2026.08source_languageen-US
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