ie8 fix
Home / Topics

dpi

4 Results

Related Tags

Dictionary

dpi

(Dots Per Inch) The measurement of the resolution of a printer. As the dpi rate doubles, the number of dots within a square inch is quadrupled. Thus, while 100 dpi produces 10,000 dots per...

Full Definition »
Dictionary

Definition: dpi

(Dots Per Inch) The measurement of the resolution of a printer. As the dpi rate doubles, the number of dots within a square inch is quadrupled. Thus, while 100 dpi produces 10,000 dots per square inch, 200 dpi produces 40,000 (see table below). This applies to screens as well, which are measured in pixels per inch (ppi).

Increasingly, screen resolutions are coming closer to the print density of printers, which is why it is easier to read text on smartphones, tablets and e-readers than it has been on screen displays in the past. For example, an LCD screen at 300 pixels per inch (ppi) using red, green and blue (RGB) subpixels equates to 900 subpixels per inch (900 dpi). Thus, the total number of dots per square inch is 810,000, which is denser than a 600 dpi printer. For a comparison of dots, pixels and subpixels, see ppi. See resolution and E Ink.

                 Dots Per
      DPI        Square Inch
      100           10,000
      200           40,000
      300           90,000
      600          360,000
      900          810,000
     1200        1,440,000





THIS DEFINITION IS FOR PERSONAL USE ONLY
All other reproduction is strictly prohibited without permission from the publisher.
© 1981-2010 The Computer Language Company Inc. All rights reserved.

Sponsored White Papers, Webcasts & Resources

  • Business Re-imagined

    Take a look at this white paper to learn about how industry leaders are re-imagining the way we do business.

Additional Results

ie8 fix

The best of ZDNet, delivered

ZDNet Newsletters

Get the best of ZDNet delivered straight to your inbox

Facebook Activity

ie8 fix