Indeetools
Area Calculators
Calculate the area of various shapes and geometric figures
Circle Area Calculator
Calculate the area, circumference, and diameter of a circle from its radius

Enter the radius of your circle in any units (cm, m, inches, etc.)

Enter radius to calculate

How it works:

The area of a circle is calculated using the formula: π × radius². The radius is the distance from the center to any point on the circle.