# Area Calculator

Select the corresponding shape in the calculation tool below, enter the base length and height of this shape and press the calculate button.

Below this page, you can also find the answers for frequently asked questions about this subject.

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## What is area?

It is a quantity that describes the size or extent of a two-dimensional figure or shape in a plane.

## How is the area of the triangle calculated?

It is calculated by the following formula.

Area of Triangle = Base Length X Height / 2

## How is the area of the rectangle and square calculated?

Since the square is a rectangle with equal base and height, the area of both shapes is calculated by the following formula.

Area of Rectangle = Base Length X Height

## How is the area of the circle calculated?

It is calculated by the following formula.

Area of Circle = π X Radius^{2}