Kilobyte

KB

Commonly Used Scientific Unit

The kilobyte is a unit of digital storage representing 1,024 bytes, though sometimes marketed as 1,000 bytes.

Quick Converter

1 kilobyte = byte

Controls display format. Very small or very large numbers will be shown in scientific notation (e.g., 1.5e-6).

Kilobyte (KB)

The kilobyte is a unit of digital storage representing 1,024 bytes, though sometimes marketed as 1,000 bytes.

Characteristics

  • Symbol: KB (binary) or kB (decimal)
  • 1 KB = 1024 bytes (binary)
  • 1 kB = 1000 bytes (decimal)
  • Historical text file size

Applications

  • Text document sizes
  • Small image files
  • Email attachments
  • Legacy storage measurements
  • Small compressed files

Related Units

Used In Regions

Computing Legacy
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