Binary Converter
Convert between binary, decimal, hex, and octal.
Binary (Base 2)
Octal (Base 8)
Decimal (Base 10)
Hexadecimal (Base 16)
Advertisement
About Binary Converter
Convert between binary, decimal, hexadecimal, and octal number systems. A comprehensive base converter for developers and students.
How to Use
- 1
Enter a number
Type a number in any supported base.
- 2
Select input base
Choose the base of your input number.
- 3
View conversions
All other base representations are shown simultaneously.
Examples
Multi-base
Input:
42 (decimal)Output:
101010 (binary), 2A (hex), 52 (octal)Frequently Asked Questions
What number bases are supported?
Binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16).
What's the maximum value?
The tool supports very large numbers — up to JavaScript's safe integer limit and beyond using BigInt.
Can I enter negative numbers?
Yes, negative numbers are supported in all bases.