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Kilobyte (kB)

A unit of information or computer storage equal to either 1024 or 1000 bytes.

  • 1000 bytes
    Used to express kilobyte measures for clock speeds or bitrates.
  • 1024 bytes
    The most popular usage of the term kilobyte. Used to express memory capacity; also used by most software to express storage capacity. It has been recommended that the term kibibyte (KiB) be used to express this quantity in place of kilobyte to avoid confusion.

See also Bit, Byte, Megabyte and Gigabyte.