calculators
Number Base Converter
Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Shows decimal equivalent.
Frequently Asked Questions
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.