kilobyte, kB, K (kilobyte)

In relation to computer storage capabilities, K stands for a kilobyte (kB), which is 1024 (= 210) bytes of data. There is no space between the numeral and the symbol K, as in 800K.

  • It’s hard to believe that my first computer had only 8 kilobytes of memory.
  • An average email message takes up about 25K of storage space on a smartphone.

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