Number Base Converter

Math guide

How to use the Number Base Converter

Convert decimal numbers to binary, hexadecimal, and octal formats. The page also explains the base conversion and shows a practical example: Decimal 255 is binary 11111111 and hex FF.

  1. 1

    Enter your details

    Enter the source value, then choose the units or values you want to convert.

  2. 2

    Check the calculation

    Review the result alongside the base conversion: Decimal values are represented in base 2, base 8, and base 16.

  3. 3

    Compare scenarios

    Change one or more inputs to see how they affect the number Base Converter result before you use the estimate.