Converters

Number Base Converter

Convert numbers between binary, octal, decimal and hexadecimal.

Input Number
Decimal - Base 10
BinaryBase 2
Enter a number
OctalBase 8
Enter a number
DecimalBase 10
Enter a number
HexadecimalBase 16
Enter a number
Example Numbers
Number Base Guide

Number Systems

  • • Binary (Base 2): Uses digits 0-1
  • • Octal (Base 8): Uses digits 0-7
  • • Decimal (Base 10): Uses digits 0-9
  • • Hexadecimal (Base 16): Uses 0-9, A-F

Common Uses

  • • Binary: Computer operations, digital logic
  • • Octal: Unix file permissions
  • • Decimal: Everyday mathematics
  • • Hexadecimal: Memory addresses, colors