How To Calculate Square Footage of a Room

Calculator Use

Use this calculator to find the square footage, square inches, square yardage, square meters or acres for a building, home, garden or construction project. Calculate square footage, inches, yardage, meters and acres for landscape, flooring, carpet, or tiling projects to estimate area and the amount of material you will need. Also calculate the cost of materials when you enter the price per square foot, price per square inch, price per square yard or price per square meter.

Price is entered in the fields, for example, as $ price: 3.00 per: 1 square unit: foot (ft²) meaning $3.00 per 1 square foot or $ price: 25.00 per: 1000 square unit: foot (ft²) meaning $25.00 per 1000 square feet etc ….

If you want to calculate volume of bulk materials such as mulch or gravel you should use our calculator for cubic yards and cubic meters.

Enter measurements in US units or metric units. Calculate area from your measurements in inches (in), feet (ft), yards (yd), millimeters (mm), centimeters (cm), or meters (m). You can also enter decimal values. For example, if you have one measurement that is 7’3" you can enter that as 7.25 feet (3"/12" = 0.25 ft). If you have a measurement of 245 cm you can also enter that as 2.45 m.

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.  

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How many square feet is a 20×20 room?

The square footage of a room measuring 20 feet wide by 20 feet long is 400 square feet. To calculate this you simply multiply the width by the height. 20ft × 20ft = 400 sq ft.

How to Find the Square Footage of a Room with Four Corners

If your room has straight walls and four corners, the way to figure square footage is simple. You can use a tape measure to measure the length and width of the room in feet. Then, you can multiply those two numbers together. The resulting number is the square footage of your room.

How to Find Square Footage: Measuring the Room

After countless hours of going back and forth between the Ambient® samples you ordered (and maybe sending out too many “which one do you like better?” texts to friends and family), you’ve FINALLY made your decision. You’ve found the perfect floor and – before you decide to change your mind for the tenth time – there’s only one thing left to do: determine how much square footage you need to order. To figure that out, it may or may not involve your least favorite school subject. Want to take any guesses? That’s right, it’s math! I can tell you can hardly contain your excitement, so let’s jump right into figuring out how much flooring you’ll need to purchase.

What is Usable Square Footage?

If you’re involved in commercial real estate in an

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.

Convert among square inch, square foot, square yard and square meter

You could, for example, perform all of your measurements in inches or centimeters, calculate area in square inches or square centimeters then convert your final answer to the unit you need such as square feet or square meters.

To convert among square feet, yards and meters use the following conversion factors.  For other units use our calculator for area conversions.

  • Square Feet to Square Inches
    • multiply ft2 by 144 to get in2
  • Square Feet to Square Yards
    • multiply ft2 by 0.11111 to get yd2
  • Square Feet to Square Meters
    • multiply ft2 by 0.092903 to get m2
  • Square Yards to Square Feet
    • multiply yd2 by 9 to get ft2
  • Square Yards to Square Meters
    • multiply yd2 by 0.836127 to get m2
  • Square Meters to Square Inches
    • multiply m2 by 1,550 to get in2
  • Square Meters to Square Feet
    • multiply m2 by 10.7639 to get ft2
  • Square Meters to Square Yards
    • multiply m2 by 1.19599 to get yd2

How to Calculate Square Footage

You can calculate the square footage of a standard-shaped room (a square or rectangle) in three easy steps:

  1. Measure the length of the room with a tape measure.
  2. Measure the width of the room.
  3. Multiply the length times the width.

Example: If the room is 8 feet long and 10 feet wide, the square footage of the room is 80 square feet (8 x 10 = 80).

But what if you need to measure the square footage of a whole apartment or house? No problem! You have two options:

  • Option 1: Measure the length and width of the whole house and multiply them together (this works best for perfectly rectangular homes).
  • Option 2: Calculate the square footage of each individual room, then add those numbers together (this works best for homes with lots of angles).

How to find the square footage of a triangle

  1. Measure the length of the base and the height of the triangle in feet.
  2. Multiply your base and height measurements together.
  3. Divide your total by two to get the square footage of the triangle
 The formula for calculating the square footage ar

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'.

What to leave out

A good rule of thumb to ensure you’re taking proper measurements is to exclude space you can’t walk on or live in. These types of spaces do not count as “gross living area.”

“Someone might think, ‘If I get the measurement of my first floor and I have a two-story house, I just multiply that by two,’” Day says. However, if that first floor includes a two-story foyer, you can’t count the non-usable space.

Basements and garages, even if they are finished, don’t generally count toward total square footage. Basements are typically excluded because they are built below grade, meaning below ground level. If your state does allow basements to be included in the total square footage of a home, though, you’ll likely need an ingress and egress, or a safe way to enter and exit the basement to the outside.

Finished attic spaces — with some regulations, including ceiling heights — can count toward the total square footage of your home. If you are planning to sell your home, work with a real estate agent to craft a listing that accurately reflects your property.

Measuring for Schluter Profile Edging

Measure the length of any outside edge where your tile edge would be exposed.    Not all edging is the same.  Speak to your design associate about different uses.  

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