Free Area & Perimeter Calculator
Instantly calculate the area and perimeter for squares, rectangles, circles, and triangles. A perfect tool for students, builders, and DIY enthusiasts.
Select a Shape
How to Use
- Select Shape: Choose the shape from the tabs above the input fields.
- Enter Dimensions: Input the required measurements for your selected shape.
- Calculate: Click the "Calculate" button to see the area and perimeter.
Frequently Asked Questions