calculators
Number Base Converter
Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Shows decimal equivalent.
Quick answer
Number Base Converter is a free online tool that helps you convert between binary, octal, decimal, and hexadecimal. Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Shows decimal equivalent.
Number Base Converter FAQ
What bases are supported?
Binary (2), Octal (8), Decimal (10), and Hexadecimal (16).
What characters does hexadecimal use?
Hexadecimal uses 0-9 and A-F (e.g., A = 10, F = 15).
Is my data sent to servers?
No. All conversions happen locally in your browser.