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Basic Tools

Circle Area Calculator

Calculate the area of a circle based on the radius or diameter. Enter the radius or diameter to get an accurate calculation of the area.

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Circle Area Calculation

Calculating the area of a circle is a fundamental concept in geometry. This Circle Area Calculator allows you to easily determine the area by entering either the radius or the diameter of the circle.

Use this tool for various applications, whether for academic purposes, engineering, or any project that requires precise area calculations.

Step 01: Enter Radius or Diameter

Start by entering the radius or diameter of the circle. You can choose to enter either value, and the calculator will determine the area accordingly.

Step 02: Calculate Area

Click the "Calculate" button to compute the area of the circle. The result will be displayed, giving you the exact area in square units.

This tool is perfect for quick and accurate calculations, saving you time and effort.

The area of a circle can be calculated using the formula:

Area = π * r²

Where r is the radius of the circle and π is approximately 3.14159.

Yes, you can calculate the area of a circle using the diameter. The formula is:

Area = π * (d / 2)²

Where d is the diameter of the circle.

Calculating the area of a circle is important in many fields, such as engineering, construction, and design. It helps determine the space occupied by a circular object or region.

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