Octal To Hex Converter
Enter the octal value to convert to hexadecimal or Hexadecimal to Octal.
Octal:
Octal (Base-8) numbers use digits 0-7.
Hexadecimal:
Hexadecimal (Base-16) uses digits 0-9 and letters A-F for compact binary representation.
How to Convert Octal to Hexadecimal — Formula:
Octal → Decimal (Σ dᵢ×8ⁱ) → Hex (repeated division by 16).
Example: Octal 377 → Decimal 255 → Hex FF.
Technical Details:
Alternative method: Octal → Binary (expand each digit to 3 bits) → Hex (group into 4 bits). 377 → 011111111 → 0FF.
Octal To Hex Converter:
Convert octal numbers to hexadecimal format.
Binary ↔ Hex ↔ Octal: Grouping Relationship
Binary → Hex (group by 4 bits):
Binary → Octal (group by 3 bits):
Frequently Asked Questions
How do I convert Octal to Hexadecimal?
Octal → Decimal (Σ dᵢ×8ⁱ) → Hex (repeated division by 16).
What is the Octal number system?
Octal (Base-8) numbers use digits 0-7.
What is the Hexadecimal number system?
Hexadecimal (Base-16) uses digits 0-9 and letters A-F for compact binary representation.
Where is Octal to Hexadecimal conversion used?
Alternative method: Octal → Binary (expand each digit to 3 bits) → Hex (group into 4 bits). 377 → 011111111 → 0FF.
Can I convert large octal numbers?
Yes. This converter handles numbers of any practical size. For very large numbers, the conversion is performed using arbitrary-precision arithmetic to ensure accuracy.