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Number base conversion is the process of converting numbers from one numerical base to another. Different number systems are used in various fields of computing and mathematics.
Binary (Base 2) uses only two digits, 0 and 1, and is the fundamental number system used by computers.
Decimal (Base 10) is the most commonly used number system in everyday life, using digits from 0 to 9.
Octal (Base 8) uses digits from 0 to 7 and was historically used in computing.
Hexadecimal (Base 16) uses digits from 0 to 9 and letters A to F, and is widely used in programming and digital electronics.
Our free online number base converter makes it easy to convert between these different number systems. Simply enter a number in any base, and it will be automatically converted to the other three bases. Perfect for programmers, students, and anyone working with digital systems.