Convert between binary, decimal, hex, and octal.
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Get a simple explanation of the formula used in this calculator.
parseInt(num, fromBase).toString(toBase)
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Convert values between binary, decimal, hexadecimal, and octal systems.
Our **Binary & Number System Converter** is an essential tool for programmers, computer science students, and networking professionals. It allows for quick and accurate conversion between the four most common number systems used in computing: binary (base-2), decimal (base-10), hexadecimal (base-16), and octal (base-8). Understanding these systems is fundamental to working with computers at a low level.
The result will appear instantly. The calculator validates your input to ensure it is valid for the selected base (e.g., binary only accepts 0s and 1s).