About This Shape

A rectangle is a quadrilateral with four right angles. It’s one of the most fundamental shapes in geometry and commonly used in architecture, land measurement, and everyday objects.

The area of more complex shapes can usually be calculated by breaking them down into aggregating simple shapes and totaling their areas.

Land Area Estimation

This calculator is especially useful for estimating land area. For irregular plots, divide the land into combinations of these shapes, calculate each area, then sum them for the total area.