Unix Permission Calculator
Convert between numeric and symbolic Unix file permissions.
Frequently Asked Questions
What is 755?
Owner: rwx, Group: r-x, Others: r-x.
What is 644?
Owner: rw-, Group: r--, Others: r--.
Free?
Yes, completely free.
How to Use
- View the result and reference table
- Copy the result or try another value
- Click Convert or press Enter
- Use the swap button to reverse direction
FAQ
What units are supported?
Covers the most commonly used units. For rare units, try our Universal Unit Converter.
How do I reverse the conversion?
Swap the input and output fields, or find the reverse converter in our collection.
Is the conversion formula shown?
Yes, the formula is displayed with each result so you can verify the math.
How accurate is this converter?
Uses IEEE 754 double-precision arithmetic with up to 15 significant digits. Formulas based on international standards.
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