Number Base Converter
Binary, octal, decimal & hexadecimal — instantly.
Binary (base 2)11111111
Octal (base 8)377
Decimal (base 10)255
Hex (base 16)FF
About this tool
Converts numbers between binary, octal, decimal and hexadecimal.
How to use
- 1Type a number in any base.
- 2Other bases update automatically.
- 3Copy the format you need.