Octal to Hexadecimal Converter
Enter an octal number to get its hexadecimal equivalent. Converts via binary internally for precise results across any input size.
Octal to Hexadecimal
Base 8 → Base 16
0o
0x
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How to Use the Octal to Hex Converter
1
Enter an octal number.
2
Click Convert.
3
View the hexadecimal equivalent.
Frequently Asked Questions
How does octal-to-hex work?
Convert octal to binary (3 bits per digit), then group binary into 4-bit chunks to produce hex digits.
Can I enter octal numbers with a 0 prefix?
Yes — leading zeros are ignored. Enter 0755 or 755 for the same result.
Is this conversion commonly used?
It appears in coursework and when translating between Unix permissions and hex representation.