Number Base Converter

Convert numbers between binary, octal, decimal, hexadecimal, and base 36 instantly.

What Is a Number Base Converter?

Convert numbers between binary, octal, decimal, hexadecimal, and base 36 instantly.

Supports custom bases up to base 36.

How to Convert Number Bases

Follow these steps:

  • Enter the number you want to convert.
  • Select the input base.
  • Select the output base.
  • Click calculate to see the result.

Tips

  • Binary and hexadecimal are commonly used in programming.
  • Use base 36 for alphanumeric encoding.
  • Verify conversions with multiple examples.

Frequently Asked Questions

What is a number base?+
A number base is a different way to represent numbers. Binary (base 2) uses 0-1, octal (base 8) uses 0-7, decimal (base 10) uses 0-9, and hexadecimal (base 16) uses 0-9 and A-F.
How do I convert between bases?+
To convert between bases you can use the division and remainder method, or use decimal as an intermediate step. This calculator handles all conversions instantly.
Why use different bases?+
Binary is used in computing (on/off states). Hexadecimal provides a compact way to represent binary data. Octal is used in older computer systems. Decimal is the standard human-readable system.

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Number Base Converter — free online base converter, binary to decimal, hex to binary, number base converter, octal converter. No signup required. Works in your browser.