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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 .
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- Circumference to Diameter Calculator
Suppose you want to find the circumference of a 5 cm...
- Circle Formula Calculator
Suppose you have a circle of radius 3 cm. If you want to...
- Arc Length Calculator
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- Surface Area Calculator
Our surface area calculator can find the surface area of...
- Sphere Volume Calculator
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- Semicircle Area Calculator
30 lip 2024 · Whether you want to find the area knowing the square side or you need to calculate the side from a given area, this tool lends a helping hand. Read on and refresh your memory to find out what is the area of a square and to learn the formula behind the calculator.
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.
An easy to use, free area calculator you can use to calculate the area of shapes like square, rectangle, triangle, circle, parallelogram, trapezoid, ellipse, octagon, and sector of a circle. Formulas, explanations, and graphs for each calculation.
Task 1: Given the radius of a circle, find its area. For example, if the radius is 5 inches, then using the first area formula calculate π x 5 2 = 3.14159 x 25 = 78.54 sq in. Task 2: Find the area of a circle given its diameter is 12 cm. Apply the second equation to get π x (12 / 2) 2 = 3.14159 x 36 = 113.1 cm 2 (square centimeters).
29 lip 2024 · If you're wondering how to calculate the area of any basic shape, you're in the right place - this area calculator will answer all your questions. Use our intuitive tool to choose from sixteen different shapes, and calculate their area in the blink of an eye.
Step 1: Find the Radius. Divide the diameter of the circle (D) by 2 to find the radius (R = D / 2). Step 2: Square the Radius. Square the radius by multiplying it by itself (R 2). Step 3: Multiply by Pi (π) Multiply the squared radius (R 2) by Pi (π) to find the area (A = π * R 2). A = π * R 2 = π * (D2) 2 = πD 2 4
