A1 in Decimal
Hexadecimal A1 equals 161 in decimal.
A1 in all number bases
Decimal161
Hexadecimal0xA1
Binary1010 0001
Octal241
How a1 converts from hexadecimal to decimal
Multiply each digit by 16 raised to its position (starting at 0 from the right), then add the results:
A× 161 = 10 × 16 = 160
1× 160 = 1 × 1 = 1
Sum: 161