- Open the Binary to Decimal Converter and find the main field: Binary number.
- Type your values in that field. The placeholder shows an example format (1010).
- Click "Convert" to compute the result in your browser.
- Read the result in the Result section. Use Copy to paste the output elsewhere.
Binary to Decimal Converter
Convert binary numbers (base-2) to decimal numbers (base-10) with this simple online tool.
Output will appear here…
How to Use This Tool
Learn More About Binary to Decimal Converter
Binary and Decimal Number Systems
The binary number system is a base-2 system, using only two digits: 0 and 1. Each position in a binary number represents a power of 2. The decimal number system is a base-10 system, using digits from 0 to 9.
Example
Binary: 1010
Decimal: (1 2^3) + (0 2^2) + (1 2^1) + (0 2^0) = 8 + 0 + 2 + 0 = 10
About
Convert binary numbers (base-2) to decimal numbers (base-10) with this simple online tool. Just enter a binary string, and the converter will instantly display its decimal equivalent.
Examples
Valid binary
Binary number
Input
101010
Output
Shown in the Result area after you click the action button.
Zero
Binary number
Input
0
Output
Shown in the Result area after you click the action button.
Use Cases
- Computer science education and learning binary number systems
- Software development and debugging
- Digital electronics projects
- Understanding data representation in computers