Binary to Decimal Converter

Simple and fast binary to decimal conversion! A free online converter that lets you easily and quickly converts a binary number to decimal.

Binary to Decimal Conversion

Click here to run the calculation and see the result.

Information about the Binary to Decimal Converter

How can I convert from binary to decimal?

In the binary system, each digit represents an increasing power of 2, with the rightmost digit representing 20, the next representing 21, then 22, and so on. The value of a binary number is the sum of the powers of 2 represented by each “1” digit.

For example:

11001 = 1·24 + 1·23 + 0·22 + 0·21 + 1·20 = 16 + 8 + 0 + 0 + 1 = 25

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