Square Footage Calculator - (2024)

FAQs

How to figure out square footage needed? ›

How to find square feet: multiply the length measurement in feet by the width measurement (in feet). This yields a product called the area, which is expressed in square feet (or square inches if you are calculating a much smaller space, such as a dollhouse).

You should be able to check with your city or county's Assessor's office. Often this information is available online through their websites. This official info is what your taxes are based on, so is probably the best "official" number for what your house square footage is.

Some sources will say that 600 to 700 square feet are plenty of space for one person, while other estimates are closer to 1,000 square feet per person. Why is there so much variation? Ultimately, several factors can determine how much square footage you need in a home, and all of them are highly personal.

If you are measuring a square or rectangle area, multiply length times width; Length x Width = Area.

If it is, then any part of the room with a ceiling of 5 feet (1.52 m) or higher should be included [source: Boddy]. If not, you shouldn't include any of that space. As for rooms in the house that aren't finished, like basem*nts or attics, they should not be included in the total square footage.

To calculate feet squared (or sq. ft. for short), determine the length and width of the area you are working with, measured in feet. Multiply the length by the width and you'll have the square feet. Here's a basic formula you can follow: Length (in feet) x width (in feet) = area in sq. ft.

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Unfinished areas, screened or open patios, vaulted rooms, and airspaces are not factored into a home's square footage. Additionally, any space that requires passing through an unfinished area – such as a pool house, storage area, or guest house will not be factored into the home's square footage.

What's included in a home's square footage? Main living spaces make up the bulk of your home's square footage, including the kitchen, the living room, the dining room, bedrooms, and bathrooms. Stairways and hallways are also included, although these spaces are not as easy to measure as square rooms.

When house plan sellers refer to Total Living square feet, they are referring to the “living area” of the home. This can be thought of as the area that will be heated or cooled. It is called the living area because this is where you spend your time. An attic, while a useful storage area, is not living space.

Does house square footage include bathrooms? ›

Another common standard is to include all space that uses the same heating and cooling system in the home. But there are a few things to note: This typically includes bathrooms, even though you may not spend a lot of time “living” in yours. Stairways and closets will usually be included in the square footage length.

An average home is in the 2,500-square-foot range. Large homes are 4,000 square feet and bigger.

To calculate the square feet of a room, start by measuring the length and width of the room in feet using a tape measurer. Next, multiply the length by the width to calculate a room's total square footage. So if a bedroom is 12 feet wide and 12 feet long, it is 144 square feet total (12 x 12 = 144 sqft).

This formula is:A = length x widthIn this equation, "A" is the total area of the shape in square feet. The length is the measurement of one side of the shape in feet and the width is the measurement of another side of the shape in feet.

How to Measure Square Footage of Your Home in 4 Steps. The gross building area can be easily calculated by measuring the exterior walls of your home to calculate the area, and multiplying by two or more for additional stories. However, the most important measurement only looks at the space that's livable inside.

How many square feet is a 12x12 room? To measure square footage, multiply the length and width of the room in feet. In the case of a 12x12 room, simply multiply 12 by 12, resulting in 144 square feet.

On average, many realtors and interior designers estimate that in 2022, given the possessions and lifestyle expectations of modern Americans, you should aim for about 400 to 600 square feet per person. To find out how big of a house you need, multiply 600 square feet by the number of people in your household.

How do you convert area size? You can apply this basic formula to convert area size. Length (in feet) x width (in feet) = area in sq. ft. Multiply the length by the width to have the square feet.