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Base Converter
Convert numbers between different bases

Common Number Representations

Decimal (Base 10)
42
Binary (Base 2)
101010
Octal (Base 8)
52
Hexadecimal (Base 16)
2A

Different number bases are used in various computing contexts:

  • Binary (Base 2) is used in digital circuits and low-level computing
  • Octal (Base 8) is used in some Unix file permissions
  • Decimal (Base 10) is our standard counting system
  • Hexadecimal (Base 16) is used for memory addresses, colors, and more