Circle Calculator
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The circle is a simple closed curve ,where the distance between the center of the images and the circumference is called as radius. Enter the input values in the circle calculator to calculate area, diameter, circumference and sector.

Circle Calculator - Calculate Area, Diameter, Circumference and Sector

circleDiameter of Circle : [ 2r ]

circleArea of Circle[πr² ]

circleCircumference of Circle : [2πr]


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

The circle is a simple closed curve ,where the distance between the center of the images and the circumference is called as radius. Enter the input values in the circle calculator to calculate area, diameter, circumference and sector.

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Circle Formula:

Area of Circle = πr² Diameter of Circle = 2r Circumference of Circle = 2 πr = πd Area of Sector = πr² (θ/360) Where, r = radius

This circle calculator apart from finding the diameter, area of sector, radius, circumference of the circle, also provides you the individual formulas for the calculation of the same. A circle is the set of all points in a plane at a fixed distance, called the radius, from a given point, the center. The radius is the distance from the center to any point on the circumference. The distance around the circle border is called as circumference. The area of sector is always proportional to the arc length. This Circle Calculator will be a very useful one for the middle and high grade school students do the calculations on circle's area, diameter, circumference and sector.

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