Regular Polygon Interior Angle Calculator - Free, Instant, In Your Browser
Enter the number of sides (3 or more) to calculate each interior angle of the regular polygon.
How to use Regular Polygon Angle Calculator
- 1Paste your text or data into the input box above.
- 2Regular Polygon Angle Calculator runs instantly, right in your browser.
- 3Copy the result or use it directly.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What's the formula?
Interior angle = (sides − 2) × 180° ÷ sides.
Is my data sent to a server?
No - everything runs entirely in your browser with JavaScript. Nothing is uploaded.