Base Converter

Convert numbers between different numeral systems: Binary (Base 2), Octal (Base 8), Decimal (Base 10), and Hexadecimal (Base 16).

All Base Conversions

Enter a number above to see it converted to all bases:

Binary (Base 2): 11111111

Octal (Base 8): 377

Decimal (Base 10): 255

Hexadecimal (Base 16): FF

Uses only 0 and 1. Commonly used in computer systems and digital electronics.

Example: 1010 (binary) = 10 (decimal)

Uses digits 0-7. Often used in computing as a shorthand for binary.

Example: 12 (octal) = 10 (decimal)

Uses digits 0-9. The standard number system we use in everyday life.

Example: 10 (decimal) = 10 (decimal)

Uses digits 0-9 and letters A-F. Widely used in programming and web colors.

Example: A (hexadecimal) = 10 (decimal)