Number Base Converter

Convert numbers between different bases. Enter a value in any field to convert to all other formats.

Binary (Base 2)

Octal (Base 8)

Decimal (Base 10)

Quick Values

Hexadecimal (Base 16)

Number Bases

Binary - Uses 0 and 1 only (computers)
Octal - Uses 0-7 (Unix permissions)
Decimal - Uses 0-9 (everyday numbers)
Hexadecimal - Uses 0-9 and A-F (colors, memory)

Keyboard Shortcuts

Ctrl + Enter - Convert from decimal
Ctrl + L - Focus decimal input
Ctrl + Shift + C - Copy all values
Ctrl + S - Download values
Escape - Clear all inputs