Screen PPI Calculator
Pixel density and viewing distance.
Enter your values
Results update instantly as you type — no submit needed.
Results
- Pixel density
- 163.2 PPI
- Dot pitch
- 0.1557 mm
- Retina distance
- 1.76 ft
- Total pixels
- 8,294,400
Quick answer
PPI is the diagonal pixel count divided by the screen's diagonal size in inches.
PPI = √(w² + h²) ÷ diagonal
How to use the Screen PPI Calculator
- 1Enter the horizontal and vertical pixel counts.
- 2Enter the diagonal screen size.
- 3Compare PPI against your viewing distance.
Frequently asked questions
What PPI looks sharp?
Above 110 PPI for desktop monitors at normal distance.
Is 4K worth it at 24 inches?
Yes for text sharpness, but scaling is usually required.