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💻 Binary & Hex Converter
Convert a number between binary, octal, decimal and hexadecimal bases.
About this Binary & Hex Converter
Computers store everything in binary, programmers read memory in hexadecimal, and people count in decimal. This converter takes a value in any of the four bases - binary, octal, decimal or hexadecimal - validates its digits, and shows the same number in all four systems at once. It is handy for programming, electronics, networking and computer science coursework.
How to use it
- Enter the value you want to convert.
- Select the base of the value you typed.
- Press Convert.
- Read the equivalent in binary, octal, decimal and hexadecimal.
Example
Decimal 255 converts to binary 11111111, octal 377 and hexadecimal FF.
Frequently asked questions
Why does hex use letters A-F?
Hexadecimal needs sixteen digits, so after 9 it continues with A=10, B=11, C=12, D=13, E=14 and F=15.
Can I enter a hex value starting with 0x?
Yes, a leading 0x is accepted and ignored for hexadecimal input.
Does it accept negative numbers?
No, it converts non-negative whole numbers only.
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