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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 .
A circle is a shape where all points in a plane lie at an equal distance from a center point. Surface area is the sum of all the areas of all the shapes that cover the surface of an object. For instance, we can calculate the surface area of a sphere, a cone or even the surface area of a cylinder.
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Free online area of a circle calculator which helps you calculate the are of any circle, given its radius. Supports many different metrics such as in, ft, yd, mm, cm, meters, etc.
If the length of the radius or diameter or even the circumference of the circle is given, then we can find out the surface area. It is represented in square units. The surface area of circle formula = πr 2 where 'r' is the radius of the circle and the value of π is approximately 3.14 or 22/7.
Surface Calculator is an online tool designed to accurately calculate the surface area of various shapes. It's easy to use and perfect for students, engineers, architects, and anyone who needs to solve complex surface area problems.
Calculate the area of a circle given the radius, diameter, or circumference. Plus learn the formulas and steps to find a circle's area.
This calculator will calculate the area of a circle given its diameter, using the famous formula area = pi times (d/2) squared. It supports different units such as meters, feet, and inches.
Area of the circle = ½ × base × height. = ½ × (2 πr) × r. = πr2. What is the area of a Circle – learn how to find its surface area with formulas and solved examples.
How to Calculate the Area. The area of a circle is: π (Pi) times the Radius squared: A = π r2. or, when you know the Diameter: A = (π/4) × D2. or, when you know the Circumference: A = C2 / 4π.