Convert numbers between binary, octal, decimal, and hexadecimal. Also supports custom bases from 2 to 36.
What is a number base?
A number base (or radix) is the number of unique digits used to represent numbers. Common bases include 2 (binary), 8 (octal), 10 (decimal), and 16 (hexadecimal).
How do I convert decimal to binary?
Enter your decimal number in the input field and select base 10 as the source. The binary (base 2) result will be shown automatically.
What is hexadecimal used for?
Hexadecimal (base 16) is commonly used in computing for representing memory addresses, color codes, and binary data in a more compact and readable form.
What bases are supported?
This tool supports all bases from 2 to 36. Common presets include binary (2), octal (8), decimal (10), and hexadecimal (16). You can also enter a custom base.