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Number Base Converter
Convert values between decimal, binary, octal, and hexadecimal in real time.
Anúncio Google — 728×90
Decimal (Base 10)
Binary (Base 2)
Octal (Base 8)
Hexadecimal (Base 16)
Anúncio Google — 320×100
How it works
This tool converts numbers between the four base systems most commonly used in computing. Type in any field to see the other bases updated instantly.
Frequently asked questions
What is Hexadecimal used for?
It is widely used in programming to represent bytes compactly and readably (e.g. CSS colors like #FFFFFF or memory addresses).
What is a binary number?
It is a base-2 numeral system that uses only digits 0 and 1, which are the basic language interpreted directly by processors.
How does base conversion work?
Numbers are parsed into a central representation internally and then formatted into the positional representation corresponding to each base.
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