🔢
Number Base Converter
Convert between Binary, Decimal, Hex, and Octal instantly
📊 Conversion Results
0b
0x
0
Base Prefixes
Binary: 0b1010
Decimal: 42
Hex: 0xFF
Octal: 052
Common Values
Number Base Systems Explained
Binary (Base 2)
Uses only 0 and 1. The foundation of all digital computing. Each digit is called a "bit".
Decimal (Base 10)
The standard number system humans use. Consists of digits 0-9.
Hexadecimal (Base 16)
Uses 0-9 and A-F. Commonly used in web development (colors) and programming.
Octal (Base 8)
Uses digits 0-7. Sometimes used in computing as a compact representation of binary.