Insert the information in the form and the calculator will determine the area of a circle.
What is the area of a circle?
The area of a circle is the region that is enclosed by a circle.
How to calculate area of a circle?
To calculate area of a circle you should use the following formula:
A = π * r²
where:
r = radius
Why use area of a circle calculator?
The area of a circle calculator is used in order to measure the space enclosed by a circle.