Kilobyte Converter

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Kilobyte vs All Data Units Comparison Chart

Source - Kilobyte

Kilobyte (kB) - Definition and Overview

What is Kilobyte?

One Kilobyte is 10^3 or 1000 Bytes. Kilobyte is a decimal unit defined as per SI standard. The unit symbol for Kilobyte is kB. Kilobyte is not same as Kibibyte (KiB) that contains 1024 bytes. 1000 Kilobytes = 1 Megabyte (MB).

Summary

  • A kilobyte is a unit of digital information equal to 1000 bytes
  • It is a decimal unit defined by the International System of Units (SI)
  • The symbol for kilobyte is kB
  • Kilobytes are commonly used to measure file sizes and storage capacities
  • It is important to distinguish between kilobytes and kibibytes, as the latter is a binary unit equal to 1024 bytes.

Author Information

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Rajesh V U

Full-Stack Developer & Storage Technologist | Creator of UnitSmash.com
Last updated: September 1, 2026

I am a Storage Technologist with strong experience in enterprise storage systems, Angular development, and web-based tools. I enjoy building practical calculators, converters, and utilities, and I also create original cartoons. I share my tools, articles, and creative work on my personal website, rajeshvu.com.