Number Base Converter
Convert between binary, octal, decimal and hexadecimal.
255
Decimal
11111111
Binary
377
Octal
FF
Hex
73
Base 36
About this tool
Type a number in any base (binary, octal, decimal, hexadecimal — or any radix from 2 to 36) and instantly see it in every other base. Supports negative numbers and arbitrarily-large integers.