Calculate the area of various 2D geometric shapes quickly and accurately. Select a shape, enter the required dimensions, and get instant results with formula explanations.
Formula
Area = side²
Calculated Area
0
How to Use the Area Calculator
Select the geometric shape you want to calculate the area for
Choose your preferred unit of measurement
Enter the required dimensions for the selected shape
Click "Calculate Area" to see the result
The formula used for calculation will be displayed above the input fields
Supported Shapes
Square: A quadrilateral with all sides equal
Rectangle: A quadrilateral with opposite sides equal
Circle: A round shape with all points equidistant from the center
Triangle: A three-sided polygon
Parallelogram: A quadrilateral with opposite sides parallel
Trapezoid: A quadrilateral with one pair of parallel sides
Ellipse: An oval shape with two radii
About Area Calculations
Area is the measure of the amount of space inside a two-dimensional shape. It is expressed in square units (e.g., m², cm², ft²). Understanding how to calculate area is essential in many fields including architecture, engineering, construction, and everyday tasks like measuring rooms or planning gardens.
Each geometric shape has its own specific formula for calculating area based on its unique properties. This calculator provides accurate results for the most common 2D shapes with clear formula displays to help you understand the mathematics behind each calculation.