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The area of a circle calculator helps you compute the surface of a circle given a diameter or radius. Our tool works both ways — no matter if you're looking for an area-to-radius calculator or a radius to the area one, you've found the right place .
Area of a Circle Calculator. Use this calculator to easily calculate the area of a circle, given its radius in any metric: mm, cm, meters, km, inches, feet, yards, miles, etc.
Calculate the area, circumference, radius and diameter of circles. Find A, C, r and d of a circle. Given any 1 known variable of a circle, calculate the other 3 unknowns.
This calculator computes the surface area of a number of common shapes, including sphere, cone, cube, cylinder, capsule, cap, conical frustum, and more.
Since a circle is 2 – dimensional, its surface area is the same as its area. The area of a circle may be calculated when the length of its radius, diameter, or circumference is known. The area of the circle formula is useful for measuring the space occupied by a circular field or a plot.
This circle calculator finds c (circumference), d (diameter), a (area), and r (radius) of a circle.
This surface area calculator calculates the surface area of a sphere, cube, cylinder, pyramid, cone, and rectangular and triangular prism.
Calculate the area of a circle with ease using our Circle Surface Area Calculator. Simply enter the diameter and click calculate. Get accurate results and save time!
The area of a circle can be defined by knowing the number of square units that can fit inside that circle and if each square inside has an area of 1 cm 2. The surface area of the sphere and circle, both were same, which is 4 π r 2. Use our online surface area of a circle calculator to find the circle surface area just by knowing the radius value.
Our Area of circle calculator is a quick and easy way to calculate the surface area of a circle given a diameter or radius. This calculator allows you to use either the radius or the diameter to calculate the area of a circle.