Regular Polygon Perimeter
Also known as perimeter of a hexagon · perimeter of an octagon · n times s
Enter your known values, leave one input blank, and solves for the missing one. Try different units for next level excitement!
Learning zone
Every side is the same length, so the perimeter is just of them. The formula is most useful backwards: dividing a known perimeter by the number of sides gives the cut length for each piece, the everyday problem when building an octagonal planter or laying out a hexagonal gazebo.
Regular Polygon Perimeter
Where
- = Perimeter
- = Number of sides
- = Side length
Missing one of these? Work it out first, then come back
- Perimeter — Square Perimeter, Rectangle Perimeter
- Number of sides — Slope Between Two Points, Slope-Intercept Form of a Line
- Side length — Square Area, Square Perimeter