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# Circle Area Calculator

Enter radius and click calculate button to find the area using circle area calculator

## Circle Area Calculator

Use the area of a circle calculator to find the total space of a circle. This advanced area tool gives the steps of the circle area calculation as well.

Moreover, it finds the diameter and the circumference of the circle.

## What is the circle area?

Circle area is a simple thing. The stretch of a circle on a two-dimensional plane. It tells you the area occupied by the circle in the unit square.

## Circle area formula:

The formula used to find the area of a circle is given below;

Circle area = A = πr^{2}

Here **π **is the mathematical constant pi. Its value is 3.14.

**Note:** r^{2} is not equal to the diameter of the circle i.e 2r.

## How to find the circle area?

The allmath’s calculator to find the circle area gives 100 percent accurate results. Other than that, there is a manual method.

- Find the radius.
- Calculate its square.
- Multiply the value with pi.
- The final value is the area of the circle.

**Example:**

A circle has a radius of 7cm. Find its area.

**Solution:**

**Step 1:** Find the square of the radius.

r^{2 }= r x r

= 7 x 7

= 49 cm^{2}

**Step 2: **Put in the formula.

A = πr^{2}

A = π(49)

**Step 3:** Solve.

A = (3.14)(49)

= 153.9 cm^{2}