Number Base Converter
Convert between binary, octal, decimal & hexadecimal
Binary (Base 2):
-
Octal (Base 8):
-
Decimal (Base 10):
-
Hexadecimal (Base 16):
-
Number Systems Guide
Binary (Base 2):
Digits: 0, 1
Example: 1010₂ = 10₁₀
Used in: Computer systems, digital electronics
Octal (Base 8):
Digits: 0-7
Example: 12₈ = 10₁₀
Used in: Unix file permissions
Decimal (Base 10):
Digits: 0-9
Example: 255₁₀
Used in: Everyday counting, mathematics
Hexadecimal (Base 16):
Digits: 0-9, A-F
Example: FF₁₆ = 255₁₀
Used in: Programming, memory addresses, color codes
Common Conversions Table:
| Decimal | Binary | Octal | Hex |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 1 |
| 8 | 1000 | 10 | 8 |
| 10 | 1010 | 12 | A |
| 16 | 10000 | 20 | 10 |
| 255 | 11111111 | 377 | FF |