Regular Polygon Calculator
Area and perimeter of a regular polygon.
Enter the values and press Calculate.
How to use Regular Polygon Calculator
A regular polygon has equal sides and angles. This tool computes its area and perimeter from just two values.
Open Regular Polygon Calculator on toolpermarket. It runs entirely in your browser, so you can start without creating an account.
Enter the number of sides and the side length in the fields above, then press Calculate.
Read the result below the form. Change any input and run it again as many times as you like — the math is instant and local.
Worked example. A regular hexagon with side 10 has area about 259.81 and perimeter 60.
When to use Regular Polygon Calculator. Use it in geometry, tiling, or design work that needs exact polygon measures.
Frequently asked questions
Is Regular Polygon Calculator free to use?
Yes. Regular Polygon Calculator runs entirely in your browser. There is no account, no upload, and no cost.
Does Regular Polygon Calculator work on mobile?
Yes. The layout is responsive, so Regular Polygon Calculator works on any phone, tablet, or desktop with a modern browser.
What is the smallest polygon?
A triangle with 3 sides. Fewer than 3 sides is not a polygon, so the tool requires at least 3.
Does side length have to be positive?
Yes. A zero or negative side has no real shape, so the tool rejects it.