Area Calculator

Calculate area for common geometric shapes with quick formulas and clear outputs.

This Area Calculator helps users find the area of a rectangle, square, circle, triangle, trapezoid, or ellipse. Select the shape, enter the required dimensions, and the tool will instantly show the result together with the formula used.

The calculator also summarizes the selected shape, the dimensions used in the calculation, and the output unit in square form such as cm² or m². It is useful for study, drafting, planning, construction estimates, and everyday geometry tasks.

What can this tool help with?

• Calculate area for multiple common shapes
• Review the standard formula used for each shape
• Get area results in squared measurement units
• Compare shape scenarios quickly
• Support education, planning, and measurement tasks

How to use it

1. Select a shape.
2. Choose the unit of measurement.
3. Enter the required dimensions.
4. Review the area, formula, and summary cards.

FAQ

Which shapes are supported?

The tool supports rectangle, square, circle, triangle, trapezoid, and ellipse.

How is the result unit displayed?

The output is shown in squared form of the selected unit, such as cm², m², ft², or in².

Is this suitable for professional plans?

The calculator uses standard geometry formulas and is useful for estimation, but professional tolerances should be checked separately.