Octal Converter
About the Octal Converter Tool
The Octal Converter tool allows you to easily convert numbers between different numeral systems — particularly between Octal (base 8), Binary (base 2), Decimal (base 10), and Hexadecimal (base 16). This is an essential utility for students, programmers, and computer science professionals working with low-level data representation, system design, or digital electronics.
•Features
- –Converts numbers between Octal, Binary, Decimal, and Hexadecimal systems instantly.
- –Supports both integer and fractional number conversions with high precision.
- –Auto-detects invalid inputs and provides clear error feedback for user accuracy.
- –Offers a clean, easy-to-use interface suitable for students, developers, and educators.
- –Ideal for understanding numeral system relationships and data encoding in computer architecture.
•How to Use
- 1.Enter a number in the input field and select its base (Octal, Decimal, Binary, or Hexadecimal).
- 2.Click “Convert” to instantly see the equivalent values in all supported numeral systems.
- 3.Review the output for each conversion — helpful for debugging, learning, or digital system design.
- 4.Use the clear or reset option to enter a new number and perform another conversion.
•Octal Conversion Reference
Octal (Base 8) uses digits 0–7. Each Octal digit represents exactly three Binary bits. Below is a quick reference for understanding how Octal values map to Binary and Decimal:
| Octal | Binary | Decimal |
|---|---|---|
| 0 | 000 | 0 |
| 1 | 001 | 1 |
| 2 | 010 | 2 |
| 3 | 011 | 3 |
| 4 | 100 | 4 |
| 5 | 101 | 5 |
| 6 | 110 | 6 |
| 7 | 111 | 7 |
•Formula Used
- –Octal to Decimal: Multiply each digit by 8 raised to the power of its position index (from right to left).
Example: (345)8 = 3×8² + 4×8¹ + 5×8⁰ = 229 - –Decimal to Octal: Divide the decimal number by 8 repeatedly and collect the remainders in reverse order.
Example: (229)10 = (345)8 - –Octal to Binary: Convert each Octal digit to its 3-bit Binary equivalent.
Example: (345)8 = (011100101)2