Number Base Converter
Convert numbers between binary, decimal, hexadecimal, octal and custom bases. Supports bases from 2 to 36 and runs fully in your browser.
Convert Number Base
Octal = Base 8 uses 0 to 7
Decimal = Base 10 uses 0 to 9
Hexadecimal = Base 16 uses 0 to 9 and A to F
Result
11111111377255FFPopular Conversions
How to Use the Number Base Converter
Convert number systems in three simple steps.
1. Enter number
Paste or type the number you want to convert.
2. Choose bases
Select the source base and the target base from 2 to 36.
3. View result
See the converted result plus binary, octal, decimal and hexadecimal equivalents.
Fast base conversion for developers and students.
This Number Base Converter helps programmers, students, engineers and digital logic learners convert between binary, decimal, hexadecimal, octal and custom bases without installing software.
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Number Base Converter FAQ
Common questions about number base conversion.
What is binary?
Binary is base 2. It uses only two digits: 0 and 1.
What is hexadecimal?
Hexadecimal is base 16. It uses digits 0 to 9 and letters A to F.
Can I convert custom bases?
Yes. This converter supports any base from 2 to 36.
Does this converter use a backend?
No. All number base conversions run directly in your browser with HTML, CSS and JavaScript.
