Binary ↔ Decimal Converter
Free online Binary ↔ Decimal Converter tool.
Mathstable
Input
Enter values for Binary/Decimal Converter
Direction
Value
Result
Run calculation to see results
About Binary ↔ Decimal Converter
Instantly translate base-2 (binary) numbers into base-10 (decimal) numbers, and vice versa. Essential for computer science students, embedded systems developers, and network engineers.
How to Use
1
Select the conversion direction (Binary to Decimal, or Decimal to Binary).
2
Enter your number into the input field.
3
The converted value appears instantly.
Real-World Examples
Converting an IP Address Octet
Translate the binary representation of a network octet into a standard decimal number.
Input
11000000
Output
192
Best Practices
- When entering binary, ensure the string only contains 0s and 1s. Any other characters will result in a parsing error.
Pro Tips
Formula for Binary to Decimal: Multiply each bit by 2^n, where n is the position from right to left (starting at 0).
Frequently Asked Questions
What is the maximum number supported?
The tool safely supports up to the JavaScript maximum safe integer (2^53 - 1).
Is my data secure?
Absolutely. All processing is done locally in your browser.
Security & Privacy
All base conversions are performed mathematically in your browser via JavaScript's `parseInt` and `toString` methods.