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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

circle Diameter of Circle: [ 2r ]
Enter the radius =
Diameter of Circle =

circle Area of Circle: [πr² ]
Enter the radius =
Area of Circle =

circle Circumference of Circle:[ 2πr ]
Enter the radius =
Circumference of Circle =

circle Area of Sector: [ ½×arc×(angle in degree) ]
Enter the radius =
Enter the angle =
Result Area =
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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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