Number System Converter

Convert numbers between binary, octal, decimal, and hexadecimal instantly with grouped display.

Number System Converter

Enter Decimal value (0-9)

Group binary (nibbles) & hex (bytes)

Quick values (decimal):

Number Systems Explained

Computers process data in binary (base 2). Octal (base 8) and hexadecimal (base 16) are shorthand notations for binary. Hexadecimal is widely used in programming, HTML colors, memory addresses, and network protocols.