Free online pixel density calculator. Perfect for calculating pixels per inch (PPI) and dots per inch (DPI) of any display.

Horizontal Pixels (x-axis)
Vertical Pixels (y-axis)
Diagonal Screen Size (inches)
PPI
Tips for use

You can also input data directly into the fields by using a URL like this:

http://pixeldensitycalculator.com/?h=1920&v=1080&d=20

Pixel Density Calculator is now designed for mobile, so visit us on your mobile device!