What Does 01101001 Mean in Binary?
01101001 is the lowercase letter i in ASCII and UTF-8. In decimal it is 105, and in hex 69.
- Character
- i
- Decimal
- 105
- Hex
- 69
01101001 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 |
| 1 | 2to the power of 5 = 32 | 32 |
| 0 | 2to the power of 4 = 16 | 0 |
| 1 | 2to the power of 3 = 8 | 8 |
| 0 | 2to the power of 2 = 4 | 0 |
| 0 | 2to the power of 1 = 2 | 0 |
| 1 | 2to the power of 0 = 1 | 1 |
64 + 32 + 8 + 1 = 105
Decode more binary
The converter starts with 01101001. Add more bytes to decode a whole message.
Binary to text
| Binary | Dec | Hex | Char |
|---|---|---|---|
| 01101001 | 105 | 69 | i |
Uppercase and lowercase
The capital I is 01001001, which is 73: 32 less than i. Only the third bit from the left changes.
Frequently asked questions
What letter is 01101001 in binary?
01101001 is the lowercase letter i. Its place values add up to 105, and 105 is i in the ASCII table.
What is 01101001 in decimal and hex?
01101001 is 105 in decimal and 69 in hex. The first four bits, 0110, make the hex digit 6, and the last four, 1001, make 9.
Is 01101001 the same in ASCII and UTF-8?
Yes. UTF-8 keeps every ASCII code from 0 to 127 as a single byte, so 01101001 is i in both.