The square footage of a house is measured by multiplying the length by the breadth in feet using the external measurements not the internal sizes. There are several methods you can use but my preferred way is to measure the exterior of your home with a tape measure and multiply the calculated area by the number of floors to establish a base square footage.
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Now add both values to calculate the square footage of the room.

Measuring square footage of a house. Only heated and residential areas should be used in the total. For example if your living room is 20 feet wide by 15 feet wide then youd calculate 20x15 to get 300 total square feet. If you must market your propertys square footage include a reference for your information such as an appraisers estimation.
Some may add 6 inches to the measurement for the wall thickness. For example position it along the lines of per tax records or per a recent appraisal the square footage is approximately xxx. This video provides an example of how to determine the square footage of a house with and without the garageComplete Video List.
If you are measuring a square or rectangle area multiply length times width. To find square feet multiply the length measurement in feet by the width measurement in feet. The area calculator can be used to calculate the area of a variety of simple shapes that together can comprise the area of the roof.
How to calculate square footage of a home If you plan to measure room by room simply grab your measuring tape and multiply the rooms width by length to get the spaces total square footage. Convert among square inch square foot square yard and square meter. Of course not every home is a perfect rectangle making it more time-consuming to get accurate numbers.
Then measure and subtract the square footage of excluded areas. For example if there are three rooms in your house measuring 120 square feet 80 square feet and 230 square feet the total square footage of your home will be 430 square feet. 300 7 79 386 sqft.
1 acre 43560 square foot 1 square yard 9 square foot 1 square meter 1076 square foot 1 square inch 000064516 square foot Calculating Cost Per Square Foot. To measure total square feet of a house complete this process in every room of the house. For other area shapes see formulas below to calculate Area ft 2 Square Footage.
The length of the house is 70 feet and the width is 50. So youll need 170 sq. Next to calculate the total square footage of your house simply add together the area of every room.
Using the measurements from above we add the areas of the rectangular room the triangular room and the circular room which looks like this. This means to calculate the square footage you will multiply 70 by 50 resulting in a final calculation of 3500 square feet. For condominiums they generally just measure the interior meaning only the inside area of your unit.
Each floor is measured separately and added together and if the property is not rectangular each shape is measured separately. Appraisers tend to use one common measurement type when it comes to measuring the square footage. They measure the Gross Living Area of your home.
After measuring each room add up the total. Calculate the area as square footage if you are measuring a square or rectangle area multiply length times width. When painting a house installing flooring or building a home the square footage of the property is often used to determine the cost or materials to be used.
This yields a product called the area which is expressed in square feet or square inches if you are. Length x Width Area.
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