Number Base Converter
A number base converter for translating integers between any radix from 2 to 36. It covers the common binary, octal, decimal and hex cases as well as unusual bases, all computed in your browser.
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What this tool does
General base-to-base integer conversion across radices 2 through 36. This number base converter is free, works on desktop and mobile, and requires no sign-up.
Also useful for: base16 to decimal, binary base 10 to base 2.
Features
- Free choice of source and target base
- Bases 2 through 36
- Instant, arbitrary-precision results
- Uppercase hex output
How to use it
- Set the input base and enter your number
- Set the output base to read the result
- Copy the converted value
Examples
Base 16 to base 2
DEADBEEF (16)11011110101011011011111011101111 (2) Common uses
- Working with non-standard encodings
- Cross-checking base conversions
- Educational demonstrations
Good to know
- Integer input only
Frequently asked questions
What is the highest base?
Base 36, which uses 0–9 and A–Z as digits.
Does it handle negative numbers?
Enter a leading minus sign for negative integers.