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Convert Decimal, Binary, Hexadecimal Numbers

Convert numbers between decimal, binary, hexadecimal formats. Type or paste your number into the corresponding text box to convert to another format.


Decimal numbers are the numbers we are most familiar with. Also known as Base10 numbers, they use the digits 0 through 9.


Binary numbers or Base2 numbers are most commonly associated with computers. Base2 numbers are represented using only the digits 0 and 1.


Hexadecimal numbers or Base16 numbers are a way to represent groups of 4 binary numbers. Base16 numbers are represented using 0 through 9 and the letters A through F.

Input is not a valid number.