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Binary to Decimal and Hexadecimal Conversion Calculator

Convert unsigned integers between base 2, 10, and 16.

Converts a decimal integer to binary (base 2) and hexadecimal (base 16) by successive division, and shows the number of bits required.

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

Decimal → Binary by repeated division by 2.

In depth

Converts a decimal integer to binary (base 2) and hexadecimal (base 16) by successive division, and shows the number of bits required.