Binary Converter
Convert between binary, octal, decimal, and hexadecimal
Note: Enter values without prefixes (no 0b, 0x, etc.). Hexadecimal accepts A-F or a-f.
Number Systems Guide
Number Bases
| Binary | Base 2, digits: 0-1 |
| Octal | Base 8, digits: 0-7 |
| Decimal | Base 10, digits: 0-9 |
| Hexadecimal | Base 16, digits: 0-9, A-F |
Common Uses
- ✓ Binary: Computer logic, digital circuits
- ✓ Octal: Unix file permissions
- ✓ Decimal: Everyday mathematics
- ✓ Hex: Memory addresses, colors