Binary Converter

Binary decimal, hex, octal converter.

Enter the values that you convert (e.g: 1101.1):

Binary: 2
Decimal: 10
Hexadecimal: 16
Octal: 8
ASCII / Unicode text:  

Binary Converter:

It is a free online binary calculator. It converts binary number to decimal, hexadecimal, octal, ASCII in a single click with a metric conversion.


A binary number system having to numbers "O", "1" and it is known as Base-2 number system. The base-2 number system used in digital electronics to write instruction for electronic equipment and invented by Gottfried Leibniz. In this zero represents OFF, 1 represents ON cause electronic equipment used gates. Example of a binary number is 10110.


A decimal number system is also called a Base-10 (Hindu Arabic) number system. In this system 10 digits used they are 0,1, 2, 3, 4, 5, 6, 7, 8, 9. In this system, we can write fractional numbers. Example of a decimal number is 129.56.


A hexadecimal number is also called base-16 number system cause it has 16 digits in it form 0 to 9 & A to F. In computer languages coding it makes easy to write large numbers. Example for hexadecimal is 4B6.


ASCII stands for "American Standard Code for Information Interchange". The computer understands only numbers (0,1) to understand alphabets ASCII codes used. The list of 128 ASCII encodes characters which include 95 printable characters arranged into 7-bit integers. The printable characters include digits 0 - 9, lower letters a to z, upper letters A to Z and symbols.