B in Decimal
Hexadecimal B equals 11 in decimal.
B in all number bases
Decimal11
Hexadecimal0xB
Binary1011
Octal13
How b converts from hexadecimal to decimal
Multiply each digit by 16 raised to its position (starting at 0 from the right), then add the results:
B× 160 = 11 × 1 = 11
Sum: 11