Enter any whole number (e.g., 255)
Enter hex values (e.g., FF, 1A3)
Enter binary digits (e.g., 10101010)
Enter octal values (e.g., 377, 123)
Key Features
Step-by-step instructions for hex to decimal and decimal to hex conversion
Detailed examples for manual hex addition, subtraction, multiplication, and division
Explanation of hexadecimal place values
Tips for common pitfalls in manual calculations
Printable guides for reference
Conversion Examples
Step-by-step hex to decimal conversion
Convert F3 (hex) to decimal
(15 * 16^1) + (3 * 16^0) = 240 + 3 = 243
Example of manual hex addition
Add A5 (hex) and 12 (hex)
A5 + 12 = B7
Example of manual hex subtraction
Subtract 20 (hex) from 3F (hex)
3F - 20 = 1F
Common Use Cases
Educational purposes for understanding number systems
Preparing for exams without digital tools
Debugging and understanding low-level data
Developing a deeper intuition for hexadecimal
Quick calculations when a digital calculator isn't available
Ready to Convert?
Start using our physical hexadecimal calculator now. It's free, fast, and accurate!