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Area Calculator

OPTIONS

Choose a shape

Length of side

Number of decimal places (round)

OUTPUT

Area: 0
The unit is the original unit squared, e.g. square meter

What is Area Calculation

Area calculation determines the amount of space inside a two-dimensional shape or surface. It's measured in square units and is fundamental in mathematics, construction, engineering, and daily life applications like determining floor space, material requirements, or land measurements.

What is Online Area Calculator

An online area calculator is a web-based tool that computes the area of various geometric shapes without downloading software. It supports multiple shapes including squares, rectangles, triangles, parallelograms, trapezoids, circles, and ellipses with customizable precision for decimal places.

How to Calculate Area

Select your desired shape from the dropdown menu, enter the required measurements (such as length, width, radius, or base and height depending on the shape), set your preferred number of decimal places, and the tool will automatically calculate and display the area with appropriate units.