Binary to Decimal Converter

Convert binary digit string (only 0 and 1) into standard decimal base-10 number for computer science class and programming practice.

Tool Features

• Auto filter invalid characters, only accept 0 and 1 binary digits
>Support short 4-bit, 8-bit, 16-bit long binary string conversion
• Show simple conversion formula reference for homework writing
• All calculation run locally inside browser, no data upload
• 100% free for CS students, coding beginners and digital logic learning

Conversion Formula Reference

• Each binary digit multiply by power of 2 based on position, sum all values = decimal number
• Example: Binary 101 = 1×2² + 0×2¹ + 1×2⁰ = 5

Common Usage

• Computer science college binary conversion homework
• Programming beginner binary number practice and debugging
• Digital electronics & logic circuit class calculation
• Self-study base number system conversion exercise