Hex Calculator
Add, subtract, multiply or divide two hexadecimal numbers.
Hexadecimal (base 16) is the standard way to represent binary data compactly — color codes, memory addresses, and byte values are almost always shown in hex.
Why hex is used instead of binary or decimal
Hex is a convenient shorthand for binary — each hex digit represents exactly 4 binary bits, making it much more compact and readable than long binary strings while still mapping cleanly to the underlying binary data.
Frequently asked questions
Why do hex numbers use letters A through F?
Hex needs 16 distinct digits (0-15), but our number system only has 10 digits (0-9) — letters A through F represent the values 10 through 15.
Where do I commonly see hex values in everyday use?
Web color codes (#FF5733), MAC addresses, and memory addresses in programming are among the most common everyday appearances of hexadecimal.