Hex Calculator
Convert between number systems and perform arithmetic operations with hexadecimal numbers
Number System Converter
Hex Arithmetic Calculator
Hex Keypad
Quick Reference
Hex Digits
0-9: Same as decimal
A = 10, B = 11, C = 12
D = 13, E = 14, F = 15
Common Values
FF = 255 (decimal)
100 = 256 (decimal)
FFFF = 65535 (decimal)