What is the Hex to Decimal Converter?
Convert a hexadecimal number to decimal, binary and octal.
Enter number, from and to and the Hex to Decimal Converter returns result, binary, octal, decimal and hexadecimal. Results update as you type, and nothing you enter leaves your device.
How it is calculated
Multiply each digit by its place value in the source base to get the decimal value, then divide repeatedly by the target base and read the remainders in reverse
How to use it
- Enter number.
- Choose from.
- Choose to.
- Read result in the results panel. It updates as you type.
- Change any value to compare scenarios, or use Share to send the result as a link.
Worked example
Common questions
What formula does the Hex to Decimal Converter use?
It uses: Multiply each digit by its place value in the source base to get the decimal value, then divide repeatedly by the target base and read the remainders in reverse.
What do I need to use the Hex to Decimal Converter?
You need number, from and to. Sensible starting values are filled in so you can see how it works straight away.
Is the Hex to Decimal Converter free, and is my data stored?
It is free with no sign-up. The calculation runs in your browser, so the values you enter are not sent to or stored on our server.