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About This Tool
The Binary Calculator converts numbers between four common numeral systems: binary (base-2), decimal (base-10), octal (base-8), and hexadecimal (base-16). Enter a number in any base and see it represented in all others instantly.
Understanding number bases is essential for programmers, computer scientists, and electronics engineers. Binary is how computers store data, hex is used for memory addresses and colors, and octal has applications in Unix file permissions.
The calculator validates input for each base and supports both positive integers and common conversion tasks you encounter in programming and digital systems.