Area Calculator – Quick & Accurate Measurements Online

Use our area calculator to quickly determine the space inside various shapes with ease.

Area Calculator

How to Use the Calculator

Follow these steps to calculate the area of selected shape:

  1. Select the shape for which you want to calculate the area.
  2. Input the necessary dimensions for the selected shape.
  3. Click on the “Calculate” button to see the result.

How It Calculates the Results

  • Rectangle: Multiplies length by width.
  • Circle: Multiplies pi (π ≈ 3.14159) by the radius squared.
  • Triangle: Multiplies base by height and then divides by 2.

Limitations

The calculator assumes straight lines and right angles for rectangles, a perfect circle, and a right-angled triangle. Real-world measurements may vary slightly due to imperfections in shape. The calculator only works with numerical inputs and does not account for units. Make sure to input all dimensions in the same unit.