Number Base Converter

Convert numbers between any base — binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). See all conversions at once as you type.

Binary (Base 2)—
Octal (Base 8)—
Decimal (Base 10)—
Hexadecimal (Base 16)—

How to Use Number Base Converter

  1. Paste or enter your data in the input field above.
  2. The result appears instantly — no button press needed.
  3. Copy the output to your clipboard with one click.

Frequently Asked Questions

What is a number base?
A number base (or radix) determines how many unique digits are used. Decimal uses 10 (0-9), binary uses 2 (0-1), hex uses 16 (0-F).

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