Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal bases.
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Enter Number in Any Base
Digits: 0-9
Digits: 0, 1
Digits: 0-7
Digits: 0-9, A-F
Quick Copy
DEC
BIN
OCT
HEX
Programming Formats
| C/Java Binary | - | |
| C/Java Octal | - | |
| C/Java Hex | - | |
| Python Binary | - | |
| Python Octal | - | |
| HTML/CSS Hex | - |
Common Values
| Decimal | Binary | Octal | Hex |
|---|---|---|---|
| 255 | 11111111 | 377 | FF |
| 256 | 100000000 | 400 | 100 |
| 1024 | 10000000000 | 2000 | 400 |
| 65535 | 1111111111111111 | 177777 | FFFF |
| 16777215 | ... | 77777777 | FFFFFF |