Circle Area Calculator
This is an online circle area calculator that helps you find the area of a circle. The circle area formula will be explained. Examples of circle area calculations are provided, too.
What is a circle?
A circle is a simple closed shape consisting of all points in a plane that are a given distance from a given center point. This distance from the center to any point on the circle is called the radius.
Circle area formula
The area of a circle is calculated as follows:
area = πr2
where r is the radius of the circle
How to find the area of a circle?
You can use the circle area calculator to find the area of a circle:
- Enter the length of the radius of the circle.
- Our circle calculator performs all the calculations for you. The diameter, circumference, and area are displayed.