Square in a Circle Calculator

Square in a circle calculator calculates the area and the perimeter of the biggest square in a circle.

Square in a Circle Calculator

Circle Radius or     Diameter
Side Length of Square
Area of Square Perimeter of Square
square in circle calculator



To find out the biggest square in a circle, we need to know the radius of the circle.

the length of the largest square is calculated as:

L = r x √2

Therefore, the area of the square is:

A = (r x √2)2

A = 2r2

The perimeter of the square is:

P = 4 x (r x √2)

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