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Rectangle Area Calculator




Area is a geometrical term defined as the space occupied by an object in a two dimensional surface. Rectangle area is the most commonly used. To buy a carpet for room, we'll have to estimate the area covered by the rectangular floor. maximum area of a rectangle calculator will help you to compute the above said value.

What is a Rectangle?

It is a quadrilateral, having four sides, whose corners are at 90◦ angle or right angles. In addition, each side is of the same length as the opposite side. It also comprise of adjacent unequal margins.

The two sides indicating length are the same, likewise, the two sides representing width are the same. A square is an exceptional case, as its all 4 sides are equal.

Rectangle Area formula

The rectangle area formula is expressed as:

A = l × w


Length = l. and Width = w

It is measured in square units, such as square cm, square inch, square feet and square meter.

How to find Length & Width using Rectangle Area formula?

Assume a lawn to be demarcated by a boundary line of having a length of 40 meters and a width of 25 meters. How much space would be enclosed within the borderline?

Length = 40m

Width = 25m

Area = A = ?

A = 40m * 25m

A = 1,000 m2

We can also find the length or width by adjusting the formula as follows:

L = A/W

L= 1000/25

L = 40m

How to find the area of a Rectangle?

To find the surface area of a rectangle, we just need two things the length and width of the two-dimensional shape. In a quadrilateral, the length usually refers to the extensive or longer of the two boundaries, while the width is represented by the shorter of the two sides.

But if you still confused, you can get help through our rectangle area tutorial

How to find the area of a rectangle?

Above image has four sides of 90◦ angle and all sides are not equal. The lengthier sides AB and CD represents the length, where AB is denoted by letter a. The shorter edges are AC and BD indicating the width, where AC is denoted by letter b. To get this space, we multiply the sides a × b.

Related: Find the area of the shaded sector calculator.

What is Rectangle Area Calculator?

Like other mathematical calculations, finding rectangle area can be a long time taking process. Calculatored has developed an online rectangle area calculator to make process to long calculation done is fast.

Rectangle area calculator is a free to use and it saves a lot of time which is consumed doing manual calculations.

How to use Rectangle Area Calculator?

Rectangle area calculator is fast & easy to use. Just follow below steps.

Step #1: Enter the Length

Step #2: Enter the Width

Step #3: Select Length Unit

Step #4: Click on "CALCULATE" button

Once you clicked the button, rectangle area calculator will immediately show you the area, perimeter of rectangle & diagonols.

We hope our rectangle area calculator made it better for you to learn & practice. You can use other online calculators like area of a trapezoid calculator step by step on our portal for free.

External Resources:

Alan Walker

Last updated: September 09, 2020

Studies mathematics sciences, and Technology. Tech geek and a content writer. Wikipedia addict who wants to know everything. Loves traveling, nature, reading. Math and Technology have done their part, and now it's the time for us to get benefits.

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