Area Calculator Calculate area and perimeter for 8 shapes — rectangle, circle, triangle, trapezoid, and more.

A Area Calculator is a geometry calculator that computes the area and perimeter of various geometric shapes, serving as a useful tool for students, engineers, and architects who need to calculate circle area or triangle area. It solves the specific problem of quickly determining the area of complex shapes like trapezoids and ellipses, which can be time-consuming to calculate manually. The tool allows users to select from eight common shapes, including rectangle, circle, triangle, and rhombus, and choose their preferred unit of measurement from options like mm, cm, m, km, inches, feet, yards, and miles.

It stands out from other shape calculators due to its ability to handle a wide variety of geometric shapes and units, making it a versatile geometry calculator. For instance, when calculating the area of a circle, it uses the formula A = π × r², while for a triangle, it uses A = ½ × base × height. The tool also displays the perimeter of shapes where applicable, providing additional useful information. By referencing the formula used in each calculation, users can understand the underlying geometry and double-check their results.

The calculator's user-friendly interface allows users to easily input dimensions and switch between units, making it a convenient shape calculator for everyday use. Whether calculating the area of a rectangle or the perimeter of a parallelogram, it provides accurate and reliable results, making it an essential tool for anyone working with geometric shapes.