Online Base Converter
Use this online base converter to convert numbers between binary, octal, decimal, and hexadecimal. It is useful for programming, computer science, digital logic, and everyday number system conversions.
How to Use This Base Converter
Enter a valid number in binary, octal, decimal, or hexadecimal. The tool converts it to the other supported bases, so you can quickly check results such as binary to decimal, decimal to hex, hex to binary, and octal to decimal.
Supported Number Bases
Binary uses 0 and 1. Octal uses digits from 0 to 7. Decimal uses digits from 0 to 9. Hexadecimal uses 0 to 9 and A to F. Make sure the input only contains characters allowed by the selected base.