Number Base Converter
Convert between binary, octal, decimal, and hexadecimal. Enter in any base and see all four simultaneously.
Processed locally in your browser
Binary (Base 2)
0b1111 1111
Octal (Base 8)
0o377
Decimal (Base 10)
255
Hexadecimal (Base 16)
0xFF
Valid Characters
Binary: 0, 1
Octal: 0-7
Decimal: 0-9
Hexadecimal: 0-9, A-F