PPI Calculator: Calculate Screen Pixel Density
Enter the pixel width and height. For PPI, also enter the physical diagonal in inches. Start calculates the result from your inputs, without detecting your display.
Results
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How to use this tool
Enter the pixel width and height. For PPI, also enter the physical diagonal in inches. Start calculates the result from your inputs, without detecting your display.
| Results | Method and units |
|---|---|
| PPI | √(width² + height²) / diagonal (in) |
| Pixel pitch | 25.4 / PPI, mm |
| Width (cm) | width(px) / PPI × 2.54 cm |
| Height (cm) | height(px) / PPI × 2.54 cm |
Example
Width (px): 1920 px · Height (px): 1080 px · Diagonal (inches): 24 in · PPI: 91.79 · Pixel pitch: 0.2767 mm
What this test can and cannot tell you
Results reflect events and signals available to your browser. Settings, permissions and device support can affect them; they do not certify that hardware is healthy or faulty.