Number Base Converter — Free Online
Enter a number in any base and see the binary, octal, decimal, and hexadecimal equivalents in real time.
Binary (Base 2)
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Octal (Base 8)
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Decimal (Base 10)
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Hexadecimal (Base 16)
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Common values
Frequently Asked Questions
Q. Which bases are supported?
Binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16).
Q. Is conversion done in real time?
Yes. All four representations update instantly as you type in any field.
Q. Can I convert negative numbers?
The tool currently supports non-negative integers for base conversion.