Number System Converter
Convert between decimal, binary, octal and hexadecimal systems.
Result
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Beispiele
Dezimal 255 = Binaer 1111 1111 = Oktal 377 = Hex FF
Dezimal 42 = Binaer 10 1010 = Oktal 52 = Hex 2A
Dezimal 100 = Binaer 110 0100 = Oktal 144 = Hex 64
Note: These calculations are for informational purposes only and do not replace professional tax or financial advice. All information without guarantee.
Frequently Asked Questions
What are the common number systems?
The four most common systems are: decimal (base 10, everyday use), binary (base 2, computers), octal (base 8, file permissions), and hexadecimal (base 16, colors and memory addresses).
How do I convert between number systems?
To convert to decimal: multiply each digit by its place value and add. From decimal: repeatedly divide by the target base and read remainders bottom-up. Hex digits A-F represent 10-15.
What is the Number System Converter?
The number system calculator converts numbers between decimal, binary, octal and hexadecimal and arbitrary bases from 2 to 36.
How does the Number System Converter work?
Enter a number and the source system. The calculator converts to all common number systems and shows the conversion steps. Arithmetic in different bases is possible.
Key Data and Facts
Decimal: base 10 (0-9). Binary: base 2 (0, 1). Octal: base 8 (0-7). Hexadecimal: base 16 (0-9, A-F). Example: decimal 255 = binary 11111111 = hex FF.
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