Binary to Decimal Converter
Enter a binary number (base 2) to convert it to its decimal (base 10) equivalent. Essential for computer science, digital electronics, and networking.
Binary to Decimal
Base 2 → Base 10
0b
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How to Use the Binary to Decimal Converter
1
Enter a binary number (e.g. 10110).
2
Click Convert.
3
View the decimal equivalent.
Frequently Asked Questions
How does binary to decimal conversion work?
Each binary digit represents a power of 2. Multiply each bit by its position value and sum them: 1011 = 8+0+2+1 = 11.
What characters are valid in binary?
Only 0 and 1. Any other character will cause an error.
Can I convert large binary numbers?
Yes — the converter handles numbers up to the maximum safe integer size in JavaScript.