Number Base Converter

Convert number base (binary, octal, decimal, hexadecimal) instantly in your browser — nothing uploaded.

  • Binary (2)11111111
  • Octal (8)377
  • Hexadecimal (16)ff

How the Number Base Converter Works

Converts integer numbers between Binary (base 2), Octal (base 8), Decimal (base 10), and Hexadecimal (base 16).

Conversion Example

Decimal 255 converts to Hexadecimal FF, Binary 11111111, or Octal 377.

Frequently Asked Questions

Why is hexadecimal so common in computing?

Hexadecimal offers a readable shorthand for binary numbers, with each hex digit representing exactly 4 binary bits (a nibble).

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