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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
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- Arc Length Calculator
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- Surface Area Calculator
Our surface area calculator can find the surface area of...
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- Semicircle Area Calculator
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.
6 lut 2024 · 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.
Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music….
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. Just type into the box and hit the calculate button.
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 widget calculates the area (A) of a circle. Input the radius (R) in the text field. Remember, the radius is the distance from the center of the circle to the edge. It's also half of the diameter.