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Base Number Converter

Conversion

Convert whole integers exactly between bases 2 through 36. Invalid digits and fractions are rejected.

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Integer
Exact integer conversion, up to 4,096 digits. Fractions and invalid trailing characters are rejected.
Convert whole integers exactly between bases 2 through 36. Invalid digits and fractions are rejected.
See more about the Base Number Converter
Whole integers are converted with arbitrary-precision integer arithmetic. Invalid digits and fractions are rejected; this isn't a floating-point converter.
Key features
  • Exact whole-integer conversion
  • Input digit validation
Related Blog Posts
Quick answers for Base Number Converter
What does this tool do?
Convert whole integers exactly between bases 2 through 36. Invalid digits and fractions are rejected.
What should I know before using it?
Whole integers are converted with arbitrary-precision integer arithmetic. Invalid digits and fractions are rejected; this isn't a floating-point converter.