0x Hexadecimal Calculator
Convert and calculate with hexadecimal numbers
About Hexadecimal
Hexadecimal (hex) is base-16 using digits 0-9 and letters A-F (A=10, B=11, C=12, D=13, E=14, F=15).
Uses
- Color codes in web design (#FF0000 = red)
- Memory addresses in programming
- Compact representation of binary data
- MAC addresses and IPv6
Frequently Asked Questions
How to convert hex to decimal?
1A₁₆ = (1×16) + (10×1) = 26₁₀
Why use hexadecimal?
More compact than binary (1 hex digit = 4 binary digits) and easier to read.