Calculators

Byte Unit Converter

Convert between byte units — bits, bytes, KB, MB, GB, TB, PB. Toggle between SI (1000) and IEC (1024) standards.

About This Tool

Convert between different byte and bit units. Supports both SI (decimal, powers of 1000) and IEC (binary, powers of 1024) standards.

How to Use

  1. Enter a value and select the source unit
  2. View conversions in all units simultaneously
  3. Toggle between SI (KB, MB) and IEC (KiB, MiB) standards

FAQ

What is the difference between KB and KiB?

KB (kilobyte) = 1000 bytes (SI standard). KiB (kibibyte) = 1024 bytes (IEC binary standard). Most operating systems use binary but display SI labels.