Perform arithmetic in hexadecimal, and convert between hex, decimal, binary, and octal number systems.
Hexadecimal (base-16) uses digits 0–9 and letters A–F. It is widely used in computing, color codes, and memory addressing.
Memory addresses, RGB color values, and machine code are all commonly expressed in hexadecimal for compactness.
Enter hex values (e.g. FF, 1A), select an operation, and click Calculate. Use the converter to switch between hex, decimal, binary, and octal.