Converters
Base Converter
Convert integers between binary, octal, decimal, and hexadecimal.
Free to use — no sign-up or login.
This free Base Converter covers Convert integers between binary, octal, decimal, and hexadecimal.
Enter the Base Converter fields, then read the output. Converters calculators on this site keep the formula visible beside the form, with no account required.
Using the Base Converter
Convert integers between binary, octal, decimal, and hexadecimal. Fill the labeled fields on the Base Converter and read the result. The formula stays in How it works rather than being repeated here.
FAQ
How do I use the Base Converter?
Enter the labeled values on the Base Converter and read the output. Parse the input in the source base to get an integer, then rewrite it in the target base.
What formula does the Base Converter use?
The Base Converter uses the identity in How it works. In words: Parse the input in the source base to get an integer, then rewrite it in the target base.