What Does 01011010 Mean in Binary?
01011010 is the capital letter Z in ASCII and UTF-8. In decimal it is 90, and in hex 5A.
- Character
- Z
- Decimal
- 90
- Hex
- 5A
01011010 step by step
Each 1 switches on its place value. Add the place values of the 1s to get the ASCII code.
| Bit | Place value | Value |
|---|---|---|
| 0 | 2to the power of 7 = 128 | 0 |
| 1 | 2to the power of 6 = 64 | 64 |
| 0 | 2to the power of 5 = 32 | 0 |
| 1 | 2to the power of 4 = 16 | 16 |
| 1 | 2to the power of 3 = 8 | 8 |
| 0 | 2to the power of 2 = 4 | 0 |
| 1 | 2to the power of 1 = 2 | 2 |
| 0 | 2to the power of 0 = 1 | 0 |
64 + 16 + 8 + 2 = 90
Decode more binary
The converter starts with 01011010. Add more bytes to decode a whole message.
Binary to text
| Binary | Dec | Hex | Char |
|---|---|---|---|
| 01011010 | 90 | 5A | Z |
Uppercase and lowercase
The lowercase z is 01111010, which is 122: 32 more than Z. Only the third bit from the left changes.
Frequently asked questions
What letter is 01011010 in binary?
01011010 is the capital letter Z. Its place values add up to 90, and 90 is Z in the ASCII table.
What is 01011010 in decimal and hex?
01011010 is 90 in decimal and 5A in hex. The first four bits, 0101, make the hex digit 5, and the last four, 1010, make A.
Is 01011010 the same in ASCII and UTF-8?
Yes. UTF-8 keeps every ASCII code from 0 to 127 as a single byte, so 01011010 is Z in both.