Base Converter
Convert numbers between any bases.
Enter your values
Results update instantly as you type — no submit needed.
Results
- Base 16
- FF
- Decimal
- 255
- Binary
- 11111111
- Octal
- 377
- Hexadecimal
- FF
Quick answer
Changing base rewrites the same quantity using a different set of digits; the value is unchanged.
How to use the Base Converter
- 1Type the number using digits valid for its base.
- 2Select the base it is currently written in.
- 3Enter the target base (2–36).
Frequently asked questions
Why is hex used in computing?
One hex digit maps exactly to four bits, making binary compact and readable.
Can it handle decimals?
This tool converts whole numbers only.