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  2. Dots per inch - Wikipedia

    en.wikipedia.org/wiki/Dots_per_inch

    Actual size is approximately 1 ⁄ 4 by 1 ⁄ 4 inch (6 by 6 mm). Individual coloured droplets of ink are visible; this sample is about 150 DPI. Dots per inch (DPI, or dpi [1]) is a measure of spatial printing, video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch ...

  3. Pixel density - Wikipedia

    en.wikipedia.org/wiki/Pixel_density

    Pixels per inch (or pixels per centimetre) describes the detail of an image file when the print size is known. For example, a 100×100 pixel image printed in a 2 inch square has a resolution of 50 pixels per inch. Used this way, the measurement is meaningful when printing an image.

  4. Image resolution - Wikipedia

    en.wikipedia.org/wiki/Image_resolution

    An image that is 2048 pixels in width and 1536 pixels in height has a total of 2048×1536 = 3,145,728 pixels or 3.1 megapixels. ... Dots per inch; Multi-exposure HDR ...

  5. Metric typographic units - Wikipedia

    en.wikipedia.org/wiki/Metric_typographic_units

    The resolution of computer screens is often denoted in millimetres pitch, whereas office printers are usually denoted reciprocally in dots per inch ('dpi', 'd/in'). Phototypesetters have long used micrometres. To convert dpi resolution to μm resolution, the formula to be used is 25400 ⁄ R, where R is the resolution in dpi. So for example 96 ...

  6. Raster graphics - Wikipedia

    en.wikipedia.org/wiki/Raster_graphics

    Modern computer-monitors typically display about 72 to 130 pixels per inch (PPI), and some modern consumer printers can resolve 2400 dots per inch (DPI) or more; determining the most appropriate image resolution for a given printer-resolution can pose difficulties, since printed output may have a greater level of detail than a viewer can ...

  7. Pixel - Wikipedia

    en.wikipedia.org/wiki/Pixel

    Pixels can be used as a unit of measure such as: 2400 pixels per inch, 640 pixels per line, or spaced 10 pixels apart. Pixel art The measures " dots per inch " (dpi) and " pixels per inch " (ppi) are sometimes used interchangeably, but have distinct meanings, especially for printer devices, where dpi is a measure of the printer's density of dot ...

  8. Dot pitch - Wikipedia

    en.wikipedia.org/wiki/Dot_pitch

    The exact difference between horizontal and diagonal dot pitch varies with the design of the monitor (see pixel geometry and widescreen), but a typical entry-level 0.28 mm (diagonal) monitor has a horizontal pitch of 0.24 or 0.25 mm, and a good quality 0.26 mm (diagonal) unit has a horizontal pitch of 0.22 mm.

  9. Laser printing - Wikipedia

    en.wikipedia.org/wiki/Laser_printing

    A typical 8.5 × 11 sheet of paper has 0.25-inch (6.4 mm) margins, reducing the printable area to 8.0 by 10.5 inches (200 mm × 270 mm), or 84 square inches. 84 sq/in × 90,000 dots per sq/in = 7,560,000 dots. 1 megabyte = 1,048,576 bytes, or 8,388,608 bits, which is just large enough to hold the entire page at 300 dpi, leaving about 100 ...