Online Calculators > Math Calculators > Area Of a Circle Calculator

Area Of a Circle Calculator

Area Of a Circle Calculator calculate area of a circle based on the radius. Simply enter the radius and the online area of a circle calculator will compute the area quickly and easily.

Online Area Of a Circle Calculator

Radius:
Area of Circle:

Area of Circle Formula

Following is the area of circle formula on how to calculate area of a circle.

Area of Circle = Π*radius2, where

Π = approximately 3.141592654


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