Square feet of a Rectangle Calculator

Created by Krishna Nelaturu
Reviewed by Aleksandra Zając, MD
Last updated: Mar 14, 2022

Our square feet of a rectangle calculator is the perfect tool for when you want to calculate the area of a rectangle in square feet. In this article, we shall discuss how to calculate the square feet of a rectangle, how to use this calculator, and some frequently asked questions.

Square feet of a rectangle

Square feet of a rectangle is the area of that rectangle measured in the imperial units sqft \text{sq} \cdot \text{ft} or ft2\text{ft}^2. Apart from this particularity, square feet of a rectangle is computed in the same way as its area:

SA=l×w\qquad \text{SA} = l \times w

where:

  • SA\text{SA} - The surface area of the rectangle measured in sqft \text{sq} \cdot \text{ft} or ft2\text{ft}^2;
  • ll - The length of the rectangle measured in ft\text{ft}. Usually, it refers to the longest side of the rectangle; and
  • ww - The width of the rectangle measured in ft\text{ft}. Usually, it refers to the shortest side of the rectangle.

Ensure that the length and width are in feet before the multiplication to avoid further conversions.

How to calculate the square feet of a rectangle?

To find the square feet of a rectangle, you require its length and width:

  1. Convert the length and width into feet.
  2. Multiply this length and width to obtain the area in square feet.
  3. Double-check your answer using the square feet of a rectangle calculator.

How to use this square feet of a rectangle calculator?

This square feet of a rectangle calculator is simple to use:

  1. Enter the length of the rectangle in its appropriate field. It's alright if its units are not in feet. Just ensure you're getting the units right.
  2. Enter the width (or breadth) of the rectangle in its appropriate field. Again ensure that you've picked the correct units.
  3. Our square feet of a rectangle calculator will automatically calculate the area of the rectangle in square feet and display the result in the appropriate field.

FAQ

What is the area of an American football field?

48,000 sq.ft excluding the end zones. Including the end zones, it is 57,600 sq. ft. The regular play area is a rectangular field 300 ft long and 160 ft wide, whereas the entire field is 360 ft long and 160 ft wide.

How do I calculate the square feet of carpet required?

To calculate the square feet of carpet required for your floor, follow these simple steps:

  1. Measure the length and width of the floor where you want to lay your carpet. It is convenient to take this measure in feet.
  2. Multiply this length and width to acquire the area of the carpet in square feet.
  3. Celebrate your successful calculation of the carpet area.
Krishna Nelaturu
Length of the rectangle
ft
Width of the rectangle
ft
Area of the rectangle in square feet
ft²
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