💻 Number System Converter
Instantly convert between Binary (Base 2), Octal (Base 8), Decimal (Base 10), and Hexadecimal (Base 16).
Enter a Value in Any Base
Decimal Value
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Binary Bit Length
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Bytes Needed
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Signed (8-bit)
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Bitwise Operations
Number Systems Overview
| System | Base | Digits | Common Use |
|---|---|---|---|
| Binary | 2 | 0–1 | Computer hardware, logic |
| Octal | 8 | 0–7 | Unix file permissions |
| Decimal | 10 | 0–9 | Everyday math |
| Hexadecimal | 16 | 0–9, A–F | Colors, memory addresses |