A measurement of resolution of a screen image or printed image defined by the number of dots that fit horizontally and vertically into one inch; The higher the DPI, the sharper the image; Measure of resolution of input devices such as scanners, display devices such as monitors, and output devices such as laser printers, image setters and monitors; Considered as "dots per square inch," a measure of output resolution in relationship to printers, image setters, and monitors; Stands for “dots per inch.” Used to describe how many dots are used within a square inch to compose an image. The higher the dpi, the finer the print quality. What you are looking at now on-screen is only 72 dpi. Newspapers print at 170 dpi, higher quality printing usually starts at 300 dpi.