Calculators

Number Base Converter

Convert numbers between binary, octal, decimal, hexadecimal, and custom bases (2-36). Live conversion as you type.

About This Tool

Convert numbers between different bases instantly. Supports binary, octal, decimal, hexadecimal, and any custom base from 2 to 36.

How to Use

  1. Enter a number in any base
  2. Select the source base
  3. View the conversion in all bases simultaneously

FAQ

What bases are commonly used in programming?

Binary (base 2) for bit manipulation, octal (base 8) for Unix permissions, decimal (base 10) for everyday math, and hexadecimal (base 16) for colors and memory addresses.