Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal

Convert between different number bases

Decimal Input

Use digits 0-9

Binary (Base 2)

Octal (Base 8)

Decimal (Base 10)

Hexadecimal (Base 16)

Binary (Base 2): Uses only 0 and 1. Used in computing at the lowest level.
Octal (Base 8): Uses digits 0-7. Historically used in computing.
Decimal (Base 10): Uses digits 0-9. Our standard number system.
Hexadecimal (Base 16): Uses digits 0-9 and letters A-F. Common in programming for representing binary data in a more human-readable format.