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Number Base Converter

Convert between any pair of bases from 2 to 36.

Convert a number written in any base from 2 to 36 into any other base from 2 to 36, with companion outputs in binary, octal, decimal, and hexadecimal.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Internally parses to a decimal integer and re-emits in the target base.

In depth

Convert a number written in any base from 2 to 36 into any other base from 2 to 36, with companion outputs in binary, octal, decimal, and hexadecimal.