UniToolHub

Binary to Decimal

Convert between binary and decimal numbers.

Binary

Decimal

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About Binary to Decimal

Convert binary numbers to decimal and decimal to binary. Fast, free, and easy-to-use binary/decimal converter.

How to Use

  1. 1

    Enter binary or decimal

    Type a number in either format.

  2. 2

    Select conversion direction

    Choose binary → decimal or decimal → binary.

  3. 3

    Copy result

    Copy the conversion result.

Examples

Binary to Decimal
Input: 11111111
Output: 255
Decimal to Binary
Input: 42
Output: 101010

Frequently Asked Questions

How do I convert binary to decimal?
Multiply each binary digit by 2 raised to its position power (right to left, starting from 0), then sum the results.
What is the largest binary number supported?
The tool handles binary numbers up to 64 bits (which covers JavaScript's integer range).
Can I convert decimal to binary?
Yes! Enter a decimal number and get its binary representation.