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Binary/Hex/Decimal Converter

Convert numbers between binary, hexadecimal, decimal, and octal.

Binary (2)
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Octal (8)
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Decimal (10)
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Hexadecimal (16)
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About Binary/Hex/Decimal Converter

Free number base converter that converts between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) number systems. Enter a number in any base and instantly see its representation in all other bases. Essential for programmers working with low-level operations, computer science students learning number systems, and anyone debugging memory addresses, color codes, or bit patterns.

Frequently Asked Questions

How do I convert binary to decimal?
Enter your binary number in the binary field and the tool instantly displays the equivalent decimal, hexadecimal, and octal values. For example, binary 1010 converts to decimal 10, hexadecimal A, and octal 12.
What number systems are supported?
The tool supports four number systems: binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Convert between any of them by entering a value in one field.