Exterior Square Footage Calculator


Calculating the exterior square footage of a property is crucial for various purposes such as estimating material needs for construction or determining property value. This article provides a simple yet accurate calculator tool along with a step-by-step guide on its usage.

How to Use

To use the exterior square footage calculator, follow these steps:

  1. Input the dimensions of each side of the property in feet.
  2. Click on the “Calculate” button to obtain the total exterior square footage.


The formula for calculating the exterior square footage of a property involves summing the areas of all sides:

Total Exterior Square Footage=2×(Length × Width)+2×(Length × Height)+2×(Width × Height)

Example Solve

Let’s consider a property with the following dimensions:

  • Length: 50 feet
  • Width: 30 feet
  • Height: 10 feet

Using the formula mentioned above:

So, the total exterior square footage of the property is 4600 square feet.


Q: Can this calculator be used for irregularly shaped properties?
A: No, this calculator assumes the property has rectangular sides. For irregular shapes, more complex methods are required.

Q: How accurate is this calculator?
A: This calculator provides accurate results as long as the dimensions are input correctly.

Q: Can this calculator be used for commercial buildings?
A: Yes, this calculator can be used for both residential and commercial properties.


The exterior square footage calculator offers a convenient way to quickly determine the total area of a property’s exterior. By inputting the dimensions of each side, users can obtain accurate results, facilitating various construction and real estate-related calculations.

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