Base Converter

Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) formats. All conversions are performed instantly in your browser.

Binary (Base 2)

Octal (Base 8)

Decimal (Base 10)

Hexadecimal (Base 16)

Instructions

Enter a number in any base and see instant conversions to other bases
Binary numbers use only 0s and 1s
Octal numbers use digits 0-7
Decimal numbers use digits 0-9
Hexadecimal numbers use digits 0-9 and letters A-F
Use the copy buttons to quickly copy any converted value