Calculate the area of ​​a circle

Circle Area Calculator | Instant Results & Formula Guide

Why Calculate Circle Area?

It helps in material estimation for circular objects, land measurement, and understanding geometric principles.

Instant Circle Area Calculator

Circle Area Formula

The fundamental formula for calculating circle area is: A = πr²
Where:
- A = Area
- π (Pi) ≈ 3.14159
- r = Radius of the circle