Number Base Converter: Binary, Decimal, Octal, Hexadecimal
Convert numbers between common bases with instant results.

Number Base Converter: Binary, Decimal, Octal, Hexadecimal

Convert numbers between binary, decimal, octal and hexadecimal. Instant validation and results.

Bases
How to use

Pick the input base, enter a number and see conversions to the other bases instantly.

Input number
Examples
  • 101101 (binary) = 45 (decimal)
  • FF (hex) = 255 (decimal)
  • 77 (octal) = 63 (decimal)
Conversions
Result
Binário: 101101
Decimal: 45
Octal: 55
Hexadecimal: 2D
Notes
  • Hexadecimal accepts letters A-F (uppercase or lowercase).
  • Use only digits valid for the selected base.
  • Results are normalized (no prefixes like 0x).