Area of an Octagon Calculator

Octagon is a polygon that has 8 sides in it. We can find the octagon area when we know its side. 

The formula to calculate area of an octagon is given by:

Area of an Octagon Formula

a = edge length

In the below online octagon area calculator, enter the edge length and click calculate to find the output.

Edge Length of Octagon: [cm]
Area of Octagon: [cm2]

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