Binary to Decimal Converter - Base 2 to Base 10

'Convert From' and 'Convert To' are same! Please Select a different Source/Target number base.

Enter the binary (0,1) number and press Enter.

bin

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Binary Converters : Binary to Octal , Binary to Hexadecimal

Complete List of Binary Converters

Conversion Units

Definition : Binary Number System (Base 2)

A binary number system represents a number in terms of only two numerals, i.e., 0 (zero) and 1 (one). In the word "binary", "bi" means "two". Binary numbers are represented with 2 at their base, for example 1010101₂.

Definition : Decimal Number System (Base 10)

Decimal number is the most commonly used number system. It is a base 10 number system, uses combinations of numerals 0 to 9 to represent any number. It is widely used in everyday life for representing and manipulating numbers in many cultures and scientific applications.

Binary to Decimal Conversion Examples

binary (base 2) Number	Equivalent decimal (base 10) Number
0	0
1	1
10	2
11	3
100	4
101	5
110	6
111	7
1000	8
1001	9
1010	10
1011	11
1100	12
1101	13
1110	14
1111	15