Number Base Converter
Convert between binary, decimal, hex, and octal
Instant results, perfect for programmers
Conversion Results
About Number Base Conversion
What is Number Base?
A number base (or radix) is the number of unique digits used to represent numbers. Common bases include binary (base-2), octal (base-8), decimal (base-10), and hexadecimal (base-16).
Common Uses
Binary is used in computing, octal for Unix file permissions, decimal for everyday counting, and hexadecimal for color codes and memory addresses.
What is a Number Base?
A number base (or radix) is the number of unique digits used to represent numbers. Binary (base 2) uses 0-1, decimal (base 10) uses 0-9, hexadecimal (base 16) uses 0-9 and A-F, and octal (base 8) uses 0-7.
How to Use
Select input base
Choose the base of your input number (Binary, Decimal, Hex, or Octal)
Enter your number
Type the number you want to convert
View conversions
See instant conversions to all other bases
Why Use This Converter?
Instant conversion
Convert between 4 number bases instantly
Programming friendly
Perfect for programming tasks
One-click copy
Copy results with one click
Works offline
No internet connection required
Frequently Asked Questions
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