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Effortlessly convert numbers between a vast array of numeral systems, including standard Decimal, Binary, Octal, and Hexadecimal, as well as less common and historical bases like Duodecimal, Vigesimal, Mayan, Sexagesimal, and Roman Numerals!
Understanding and converting between different numeral systems is fundamental in computer science, programming, and digital electronics. This tool goes beyond the basics, allowing you to quickly and accurately convert numbers across a vast array of numeral systems, including standard bases as well as fascinating less common and historical systems from around the world.
Our converter’s interface is designed for ultimate clarity across standard, historical, and positional architectures.
Type the numerical value you wish to convert into the input field using valid characters for your selected system.
0 and 1.0-9 and letters A-F.XLII.Use the “From Base” dropdown to select the numeral system your entered value currently uses, ranging from base 2 up to base 64.
Select your desired output system from the “To Base” dropdown menu to view live results instantly.
Click the Swap Systems button to instantly reverse your conversion path, automatically switching your source and target bases while carrying over your output value.
Utilize the “Swap Systems” button to instantly reverse your conversion. This feature conveniently switches your “From Unit” and “To Unit” and automatically moves your last result into the input field, streamlining your workflow.
Mastering numeral system conversions bridges the gap between modern computing architecture, digital engineering, and classical historical mathematics.