Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
How to Use
Enter number
Enter a number in any base.
Select base
Choose the input number base.
View conversions
See the number in all bases.
Features
Frequently Asked Questions
The converter supports binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Enter a number in any base to see all conversions.
Convert numbers between binary, octal, decimal, and hexadecimal instantly. A must-have tool for programmers, students, and anyone working with different numeral systems.
Did You Know?
Hexadecimal was adopted by early computer scientists because each hex digit represents exactly 4 binary bits, making it a convenient shorthand for binary while still being readable!
Pro Tips
- Hexadecimal is commonly used for colors (#FF5733) and memory addresses
- Binary is the foundation of all computing - every instruction is ultimately 1s and 0s
- Octal (base 8) is still used in Unix file permissions (chmod 755)
Common Use Cases
- Understanding computer memory addresses
- Debugging low-level programming issues
- Learning computer science fundamentals
- Working with network IP addresses
- Analyzing binary data files
Best Practices
- Double-check conversions for critical operations
- Use uppercase letters for hex (0x1A2B) for consistency
- Remember: hex uses A-F for values 10-15
Explore Other Categories
Discover more useful tools from different categories
Word Counter
Count words, characters, sentences and paragraphs in your text instantly.
JSON Formatter
Format, validate and beautify your JSON data with syntax highlighting.
QR Code Generator
Create QR codes for URLs, text, and more. Download as PNG.
Percentage Calculator
Calculate percentages, percentage change, and percentage of numbers.