How to Convert
Formula: PPI = √(width² + height²) ÷ diagonal
Example: 27" 2560×1440 ≈ 108.79 PPI
Monitor Size Calculator
PPI = √(width² + height²) ÷ diagonal
Result
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Quick Reference Table
| in | PPI | in | PPI |
|---|---|---|---|
| 15 | 169.8 | 21 | 104.9 |
| 24 | 91.79 | 27 | 108.8 |
| 32 | 137.7 | 34 | 109.7 |
| 38 | 109.6 | 49 | 81.41 |