【實用工具app】Pixel Density Calc|最夯免費app-綠色工廠好玩App

Pixel Density Calculator. Perfect for calculating pixels per inch (PPI) and dots per inch (DPI) of any display.The PPI of a computer display is related to the size of the display in inches and the total number of pixels in the horizontal and vertical directions. This measurement is often referred to as dots per inch, though that measurement more accurately refers to the resolution of a computer printer.