Polygon Angle Calculator

This calculator can be used to find the name of a regular polygon for the given number of sides.
And also, this calculator can be used to find the sum of interior angles, the measure of each interior angle and the measure of each exterior angle of a regular polygon when its number of sides are given.

Number of sides

 

= Calculate

Polygon type

Sum of interior angles

Interior Angle

Exterior Angle

Formulas

The sum of the interior angles of a convex n-gon:

(n - 2) * 180°

The measure of each interior angle of a regular n-gon:

[(n - 2)* 180°] / n

The sum of the exterior angles of a convex polygon, one angle at each vertex:

360°

The measure of each exterior angle of a regular n-gon:

360° / n