Regular Polygon Area

Regular Polygon Area is a fast, free math calculator. Enter Number of Sides and Side Length to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser.

Formula

Area = n·s² / (4·tan(π/n))
  • Area = n·s² / (4·tan(π/n))

Regular Polygon Area

Regular Polygon Area calculation.

Frequently asked questions

How is Regular Polygon Area calculated?
Area = n·s² / (4·tan(π/n))