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Octal Converter
Convert between octal and other number systems
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Actions:
How to Use
1Enter a value in any number system
2Select the source and target formats
3View the conversion instantly
4Copy the result
Features
Octal to decimal
Decimal to octal
Octal to binary
Octal to hex
Grouped octal display
Benefits
Work with Unix file permissions
Understand octal representations
Convert between number bases
Frequently Asked Questions
When is octal used?
Octal is commonly used in Unix file permissions (chmod) and some legacy computing systems.
How do I read Unix permissions in octal?
Each digit represents read(4), write(2), and execute(1) permissions. chmod 755 means rwxr-xr-x.
Does it handle octal with leading zero prefix?
Yes. The tool accepts both 0-prefixed and unprefixed octal numbers.