Pixel Density Calculator
Calculate PPI and DPI for screens and images
Pixel Density Calculator
Enter your details below and get instant results
Pixel Density Calculator
Our Pixel Density Calculator computes the pixels per inch (PPI) and dots per inch (DPI) of any display or image. Essential for designers, photographers, and anyone working with digital displays.
How to Use
- Enter the horizontal resolution in pixels
- Enter the vertical resolution in pixels
- Enter the diagonal screen size in inches
- Click Calculate to see PPI/DPI
Formula
PPI = √(width² + height²) / diagonal
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