What Does 01100100 Mean in Binary?
01100100 is the lowercase letter d in ASCII and UTF-8. In decimal it is 100, and in hex 64.
- Character
- d
- Decimal
- 100
- Hex
- 64
01100100 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 |
| 0 | 2to the power of 3 = 8 | 0 |
| 1 | 2to the power of 2 = 4 | 4 |
| 0 | 2to the power of 1 = 2 | 0 |
| 0 | 2to the power of 0 = 1 | 0 |
64 + 32 + 4 = 100
Decode more binary
The converter starts with 01100100. Add more bytes to decode a whole message.
Binary to text
| Binary | Dec | Hex | Char |
|---|---|---|---|
| 01100100 | 100 | 64 | d |
Uppercase and lowercase
The capital D is 01000100, which is 68: 32 less than d. Only the third bit from the left changes.
Frequently asked questions
What letter is 01100100 in binary?
01100100 is the lowercase letter d. Its place values add up to 100, and 100 is d in the ASCII table.
What is 01100100 in decimal and hex?
01100100 is 100 in decimal and 64 in hex. The first four bits, 0110, make the hex digit 6, and the last four, 0100, make 4.
Is 01100100 the same in ASCII and UTF-8?
Yes. UTF-8 keeps every ASCII code from 0 to 127 as a single byte, so 01100100 is d in both.