Convert FF hex to decimal
Convert numbers between binary, decimal, octal, and hexadecimal.
To convert the hexadecimal number FF to decimal, multiply each digit by its positional power of 16 and sum the results. Hex digit values: A=10, B=11, C=12, D=13, E=14, F=15.
Multiply each hex digit by its power of 16:
(FF)1₆ = F(15) × 16¹ + F(15) × 16⁰
= 15 × 16 + 15 × 1
= 240 + 15
Add all the products together:
= 255
(FF)1₆ = (255)10
How to convert FF hex to decimal
To convert FF hex to decimal, repeatedly divide by the target base and collect the remainders.
This is a base conversion — numbers can be represented in different bases: binary (base 2), octal (base 8), decimal (base 10), hexadecimal (base 16).
Frequently asked questions
What is the answer to FF hex to decimal?
The answer is 255.
What method is used?
Divide by the target base repeatedly, collecting remainders. Read remainders bottom-to-top for the result.