Binary to Decimal Converter
Convert binary numbers to decimal and vice versa with step-by-step conversion breakdown. Supports arbitrarily large numbers using BigInt. 100% client-side.
How Binary to Decimal Conversion Works
Binary (base-2) uses only digits 0 and 1. Each position represents a power of 2. To convert binary to decimal, multiply each digit by its positional power of 2 and sum the results.
Features
- Bidirectional conversion: binary to decimal and decimal to binary
- Step-by-step breakdown showing every calculation
- Support for arbitrarily large numbers via BigInt
- Swap button to quickly reverse conversion direction
- 100% client-side -- no data sent to any server
Disclaimer:This tool is provided “as is” for informational and educational purposes only. Results may not be 100% accurate. ToolBird makes no warranties, express or implied, regarding the accuracy, reliability, or completeness of any output generated by this tool. This tool does not constitute professional, legal, financial, medical, or tax advice. Always consult a qualified professional for important decisions. By using this tool, you agree that ToolBird and its operators shall not be held liable for any damages, losses, or consequences arising from the use of this tool or reliance on its results. All processing occurs in your browser — we do not store, transmit, or access your data. Use at your own risk.