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Base Converter
Convert between binary, octal, decimal, and hexadecimal. Handles large numbers precisely.
Input
Conversion Result
Click any item to copy it.
광고
The number base converter instantly converts values between binary, octal, decimal, and hexadecimal. It's a calculation frequently needed in programming, networking (IP/MAC addresses), and color codes.
Why hexadecimal is so common
One hex digit maps exactly to 4 binary digits (bits), making it widely used to represent binary data in a human-readable form, such as color codes (#ff0000) or memory addresses.
Frequently Asked Questions
Can it convert negative numbers?
This calculator handles non-negative integers, and it converts accurately even for very large numbers.
What happens if I enter an invalid character?
Entering a character not allowed in the selected base shows an error — for example, only 0 and 1 are allowed in the binary field.
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광고