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Numbers Converter

Convert a number between any two numeral systems (base 2 to base 36)

That number contains digits invalid for the selected base.

Any base from 2 to 36 is supported — not just the six shown above. Edit the value in either box to pick a custom base.

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Popular Numbers Unit Conversions

binary to decimal decimal to binary decimal to hex hex to decimal binary to hex hex to binary

(Use the converter above for these — dedicated pages for each pair are coming soon.)