Octal Calculator
Convert between octal and decimal number systems. Also shows binary and hexadecimal equivalents.
How to Use the Octal Calculator
- Choose the conversion direction (Octal→Decimal or Decimal→Octal).
- Enter the value to convert.
- Click Convert to see results in octal, decimal, binary, and hex.
مرجع سريع
| من | إلى |
|---|---|
| Octal 10 | Decimal 8 |
| Octal 77 | Decimal 63 |
| Octal 755 | Decimal 493 |
| Decimal 100 | Octal 144 |
| Decimal 255 | Octal 377 |
حالات الاستخدام
- •Converting Unix file permissions (e.g. 755, 644).
- •Learning base-8 number system in computer science.
- •Cross-referencing number system conversions.
الصيغة
Octal uses base 8 with digits 0–7. Octal to decimal: Σ(digit_i × 8^i). Decimal to octal: repeated division by 8.
الأسئلة الشائعة
What is octal?
Base-8 number system using digits 0 through 7. Commonly used for Unix file permissions.
How is octal used in computing?
Primarily in Unix/Linux file permissions (chmod 755) and legacy systems.
What's the maximum value?
The calculator handles values up to JavaScript's safe integer limit.