Base Converter

Convert integer values across binary, octal, decimal, hexadecimal, or any custom base from 2 to 36.

From base

Integer value

To base

—Digits 0–9 and A–Z are supported.

—Base 2

—Base 8

—Base 10

—Base 16

How to use this Base Converter

Convert whole numbers between bases 2 through 36. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.