Number Base Converter

Type a number in any base, binary, octal, decimal, or hexadecimal, and see it converted to all the others instantly.

Binary (0b)

Octal (0o)

Decimal (base 10)

Hexadecimal (0x)

Type in any field, the others update automatically since they all share the same underlying value.

Example input

255 (decimal)

Example output

0xFF (hex), 0b11111111 (binary)