Hex Reference
0xFF in Binary = 11111111
Hex 0xFF converts to binary 11111111. Decimal: 255. Octal: 377.
Quick Answer
Hex
FF
Binary
11111111
Decimal
255
Octal
377
How to Convert 0xFF to Binary — Step by Step
1
Separate the two hex digits
0xFF = high nibble F + low nibble F
2
Convert each digit to 4 binary bits
Hex F = 1111 (decimal 15)
Hex F = 1111 (decimal 15)
3
Concatenate the 4-bit groups
1111 + 1111 = 11111111
0xFF in All Number Systems
| Hex (Base 16) | FF (0xFF) |
| Binary (Base 2) | 11111111 (1111 1111) |
| Decimal (Base 10) | 255 |
| Octal (Base 8) | 377 |
| ASCII | Non-printable |
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