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Circle Calculator

A circle is the set of all points in a plane at a fixed distance, called the radius, from a given point, the centre. Here you can calculate the area, diameter, circumference of a circle and also area of a sector

Circle Calculator

circleDiameter of Circle : [ 2r ]

circleArea of Circle[πr² ]

circleCircumference of Circle : [2πr]


circleArea of Sector : [ ½×arc×(angle in degree) ]

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This tool is an online utility. You can dynamically calculate the area, diameter, circumference of a circle and also area of a sector.


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