Pixel Density (PPI) Calculator
Compute PPI from screen size and resolution.
Input Data
Width
Height
Diag Inch
Results
Pixels per inch.
93.3
Explanatory note about the result.
PPI = √( 1920²+1080² ) / 23.6 ≈ 93.3 px/吋。
At a glance:PPI = √(width² + height²) ÷ diagonal inches; total pixels = width × height. Complements aspect-ratio and resolution calculators.
Formula
PPI = √(width² + height²) / diagonalInch.
total pixels = width × height.
How to Use
- Enter resolution width/height and diagonal size.
- The tool returns PPI.
Case Studies
1920x1080 on 23.6in → ~93.5 PPI
√(1920²+1080²)/23.6 ≈ 93.5 PPI.
FAQ
Why does PPI matter?
Higher PPI means sharper images; text and details look crisper at normal viewing distance.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.