Decimal to Binary
Convert decimal to binary, octal, hex
How to Use
- Enter a decimal number (positive whole number)
- Click "Convert" to see all conversions
- View the binary, octal, and hexadecimal equivalents instantly
- See the number of binary digits used
- Example: 42 in decimal = 101010 in binary = 52 in octal = 2A in hex
- Tip: Binary uses only 0 and 1, Hex uses 0-9 and A-F
About This Tool
Convert decimal numbers (base-10) to binary (base-2), octal (base-8), and hexadecimal (base-16) number systems instantly. Essential for computer science students, programmers, digital electronics enthusiasts, and anyone working with different number systems. Understanding binary is fundamental to computing since computers process information in binary form. Hexadecimal is commonly used in programming for colors, memory addresses, and data representation. This converter shows all three conversions simultaneously, helping you understand relationships between different number bases. Perfect for homework, programming tasks, learning computer fundamentals, or converting values for technical applications.