What is the formula for measuring square footage?

The formula for measuring square footage is determined by calculating the area of a rectangular space, which is done by multiplying the length of the space by its width. This multiplication gives the total area in square units, commonly expressed in square feet for residential and real estate measurements.

Using the formula of length times width provides an accurate representation of how much space is available. For instance, if a room is 10 feet long and 12 feet wide, the calculation would be 10 x 12 = 120 square feet. This method applies consistently across rectangular and square areas, making it a fundamental principle in various fields, including construction and real estate.

Other methods such as adding or dividing the dimensions do not yield the area in square footage, and subtracting the dimensions would not produce a meaningful measurement related to area. Therefore, the appropriate and correct method for calculating square footage is indeed the multiplication of length by width.