FF Hex to Decimal
FF hexadecimal = 255 decimal.
Hexadecimal
FF
Decimal
255
Binary
11111111
Octal
377
Calculation
F(15) × 16^1 + F(15) × 16^0 = 255
Each digit is multiplied by a power of 16, counting from zero at the right.
Alternative Input Forms
FF, 0xFF, and FFh are alternative notations for the same hexadecimal value.
Signed Interpretation
As an unsigned value, FF is 255. Interpreted as a 8-bit two's-complement value, it is -1. Signed interpretation depends on the chosen bit width.
Related Questions
- What is 0xFF in decimal? 255.
- What is FFH in decimal? 255.
- What is FF in binary? 11111111.