KB

What is a Kilobyte?

Digital Storage Unit

Definition

A kilobyte (KB) is a unit of digital information equal to 1,000 bytes (decimal) or 1,024 bytes (binary).

History

The kilobyte emerged in early computing. The binary interpretation (1,024) comes from 2^10, while modern standards prefer the decimal 1,000.

Common Uses

  • Small file sizes
  • Email text content
  • Simple documents
  • Cache memory sizes

Fun Facts

💡

A typical email without attachments is 2-5 KB

💡

1 KB can store about 1,000 characters of text

💡

The first computer programs were measured in kilobytes

All Kilobyte Conversions