Content of the material

- Why square footage is important
- Video
- How to find the square footage of a triangle
- How many square feet is a 12×12 room?
- 4 Tips for Determining Square Footage
- What is Usable Square Footage?
- Jason Somers, President & Founder of Crest Real Estate
- How to measure for bullnose?
- How to Calculate Square Footage
- Convert all of your measurements to feet
- Calculate the Area as Square Footage
- Top Articles
- FAQS

## Why square footage is important

There are plenty of reasons you might want to know how to calculate the square feet of a house, whether you’re looking to sell a property, dispute a high tax assessment or renovate to add more space.

If you’re preparing to list your home for sale, determining the property’s exact size is a crucial factor when setting your asking price. “For a home appraisal, we’re going to compare it to comparables or ‘comps,’” says Day, who looks for homes of similar size in the immediate area. An inaccurate square footage measurement could potentially result in an inaccurate appraisal price.

Square footage (often abbreviated as SF or SQFT) also matters in real estate deals that involve a mortgage, for similar reasons. The lender will want that info to verify what the property is worth.

However, knowing your home’s square footage can come in handy in other ways as well. For instance, if you decide to finish a previously unused part of your house — say, a basement or attic space — you may need to provide the square footage to obtain a building permit.

Likewise, if your county or municipality assesses higher taxes than what you think you should owe, confirming the square footage can be a point in your favor toward getting the property taxes reduced.

## Video

## How to find the square footage of a triangle

- Measure the
**length of the base**and the**height of the triangle**in feet. - Multiply your base and height measurements together.
- Divide your total by two to get the square footage of the triangle

The formula for calculating the square footage area of a triangle is: **base × height / 2**. To work out your cost of materials, simply multiply this figure by your 'price per square foot'.

## How many square feet is a 12×12 room?

The square footage of a room measuring 12 feet wide by 12 feet long is **144 square feet**. To calculate this you simply multiply the width by the height. 12ft × 12ft = 144 sq ft.

## 4 Tips for Determining Square Footage

Here are few things to consider when preparing to measure the square footage or a property:

- 1.
**Draw A Floor Plan**. Make a rough sketch of your property's floor plan. This will give you a sense of how you’ll add your calculations for each room together. This is an especially important step if you’re measuring irregularly-sized rooms with a square footage that involve a little more calculation. - 2.
**Plan which rooms you will be measuring**. When calculating square footage in any home, you should include the measurements of all the rooms in your house that are “finished,” enclosed by four walls, and are heated or cooled. You can measure spaces like garages, basements, or outdoor spaces for your own knowledge, but they should not be included in your square footage calculation. - 3.
**Take extra care with irregularly-shaped rooms**. All you need to do to measure the square footage of square or rectangular areas is multiply length times width. However many rooms in a home will be more oddly shaped. To determine the square footage of irregular rooms, measure the length of each wall using a measuring tape and record the dimensions on your floor plan. Then divide the shape of your room into regular shapes like squares, triangles, or circles. Calculate the square footage of each separate shape and add them together to get the total square footage of the room. - 4.
**Remember the stairs**. Include stairs in your home’s square footage calculation if you have them. Multiply the depth and width of one stair, then multiply that number with the number of stairs you have. Some appraisers will include the square footage of stairs twice, as they are considered a part of the floor plan of the floor from which they are descending and the floor to which they are descending. There are no standards governing whether you should include your stairs square footage twice.

## What is Usable Square Footage?

If you’re involved in commercial real estate in any way, you may have heard the term *“usable square footage”*. **This term describes the total amount of square footage that a tenant is able to use, which excludes areas like hallways, stairwells, and lobbies**. When it comes to residential real estate, the usable square footage in your home refers to the amount of space that would count as your personal space.

Common areas like kitchens, living rooms, hallways, and storage closets wouldn’t count as usable square footage. With this information in hand, you should be able to calculate the actual square footage of your home as well as the usable square footage of your home.

Being able to calculate the square footage of you home can be very helpful when you’re attempting to sell your property or would like to complete a renovation. If you’re getting ready to renovate your entire kitchen, knowing the square footage of the floor will allow you to purchase the right amount of materials. Keep in mind that most flooring materials are priced by square feet.

Let’s say that hardwood flooring has a price of $10 per square foot. If your kitchen has a floor space of 175 square feet, the flooring would likely cost around $1,750. In the event that you work as an architect or structural engineer, knowing how to calculate the square footage of a space can be invaluable for your work.

Jason Somers, President & Founder of Crest Real Estate With over 15 years of professional experience in the Los Angeles luxury real estate market, Jason Somers has the background, judgement and track record to provide an unparalleled level of real estate services. His widespread knowledge helps clients identify and acquire income producing properties and value-ad development opportunities. Learn more about Jason Somers or contact us.

## How to measure for bullnose?

Measure the length of any outside edge where your tile edge would be exposed or you want framed out. Bullnose (also called trim pieces and decorative tiles) are typically sold by the piece. To figure the quantity you have to establish the length of the trim piece (i.e. 6″ bullnose, 8″ decorative liner), then the rule is: Your total linear length divided by the length of each piece equals your quantity needed.

## How to Calculate Square Footage

Square footage is area expressed in square feet. Likewise, square yardage is area expressed in square yards. Square meters is also a common measure of area.

Assume you have a rectangular area such as a room and, for example, you want to calculate the square footage area for flooring or carpet.

The way to calculate a rectangular area is by measuring the length and width of your area then multiplying those two numbers together to get the area in feet squared (ft^{2}). If you have on oddly shaped area, such as an L-shape, split it into square or rectanglualar sections and treat them as two separate areas. Calculate the area of each section then add them together for your total. If your measurements are in different units, say feet and inches, you can first convert those values to feet, then multiply them together to get the square footage of the area.

### Convert all of your measurements to feet

- If you measured in feet skip to “Calculate the Area as Square Footage”
- If you measured in feet & inches, divide inches by 12 and add that to your feet measure to get total feet
- If you measured in another unit of measure, do the following to convert to feet – inches: divide by 12 and that is your measurement in feet – yards: multiply by 3 and that is your measurement in feet – centimeters: multiply by 0.03281 to convert to feet – meters: multiply by 3.281 to convert to feet

### Calculate the Area as Square Footage

- If you are measuring a square or rectangle area, multiply length times width; Length x Width = Area.
- For other area shapes, see formulas below to calculate Area (ft
^{2}) = Square Footage.

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## FAQS

**How to Calculate Square Footage?**

Square footage is the measurement of an area. The area is the measurement of a two-dimension space bordered by a set of lines. Square footage is mostly used in the calculation for the flooring of the house. To calculate square footage area, it is important to recognize the shape of the plane for example, if it’s a square, rectangle, or any other shape, then the formula for square footage area will be according to the shape. For example, to calculate the square footage of a room in a square (2) or rectangle shape. Simply multiply the length and width of the area. To calculate square footage of an oddly shaped area, for example, an L-shaped area. Start by splitting the area into two separate sections making a square or rectangle of both sections. Now, measure the area of both sections and add them together to get the total square footage. Following are a few examples of how square footage calculators calculate the area for different shapes: 1. Square => Area (ft2) = Side Length x Side Length 2. Rectangle => Area (ft2) = Length x Width 3. Triangle => Area (ft2) = ½ × Base × Height 4. Circle => Area (ft2) = π x (diameter/2)2

**How to Calculate Square Footage of a Room?**

Whenever you plan to buy new flooring, the first thing is to calculate the Square Footage of the room. It’s quite easy to calculate Square Footage, first, you need to measure the square footage of all areas of the room, this includes nooks and crannies and then you need to add all measurements together. This planning takes time and lots of measurements so make sure to double-check your measurements before ordering your flooring. For the safe side, add 5-10% of the waste factor, it is to prevent errors, damages, and extra cuts. To calculate this you need to add a waste factor in square footage like you have 100sqft and you are assuming 5% as a waste factor then 100 × 0.05 = 5 means total sqft will be 100 + 5 = 105sqft.

**How to Calculate Square Footage of a House?**

Whenever you plan to measure the square footage of the house, start with these supplies: 1- Notes, Pencil. 2- Calculator 3- Measuring tool Now it is important to recognize the shape of the house, perfect square, rectangle, or any other shape, then the formula for square footage area will be according to the shape. For example, to calculate the square footage of a room in a square (2) or rectangle shape. Simply multiply the length and width of the area. If you are measuring for a two-story house, simply multiple the square footage by 2.

How to Measure for Wallpapering? First, measure the width (feet) of the wall you plan to add wallpaper. Round the measurement up to the nearest foot. For example, if 14 feet, 9 inches wide, it will be around 15 feet. Then, measure the height (feet) of the wall you plan to add wallpaper. Round the measurement up to the nearest foot. Multiply the rounded width and the height of the wall. This will be your total square footage of the wall. Now measure the width and height of large areas that will not be going to be covered with wallpaper, such as double doors, and round these heights and width. Multiply the width and height of all these areas and sum them up together to get the total square footage of any large area. Subtract the square footage of any large areas from the total square footage of the wall. The result is the total square footage of wallpaper needed to cover the wall.

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