Common Number Bases
| Base | Name | Digits |
|---|---|---|
| 2 | Binary | 0, 1 |
| 8 | Octal | 0–7 |
| 10 | Decimal | 0–9 |
| 16 | Hexadecimal | 0–9, A–F |
Example: Decimal 255
| Binary | Octal | Decimal | Hex |
|---|---|---|---|
| 11111111 | 377 | 255 | FF |
Number Base Converter
Convert any integer between binary, octal, decimal, and hexadecimal — or enter any custom base from 2 to 36.