Base Convert

Convert numbers between different bases (binary, octal, decimal, hexadecimal) with support for bases 2-36

From Base

To Base

Input Value (Valid characters: 0123456789)

Select the base of your input number (from base 2 to 36)

Select the target base for conversion

Enter your number using valid characters for the selected base

The result will appear automatically, or click Convert

Decimal 255→Binary 11111111

Decimal 255→Hexadecimal FF

Hexadecimal A0→Decimal 160

Binary 1010→Decimal 10

Binary (Base 2): Uses digits 0-1, commonly used in computing and digital systems

Octal (Base 8): Uses digits 0-7, sometimes used in computing and file permissions

Decimal (Base 10): Uses digits 0-9, the standard number system we use daily

Hexadecimal (Base 16): Uses digits 0-9 and letters A-F, widely used in programming and computing