Content material of the fabric
 Reader Success Stories
 Video
 How to find the square footage of a rectangle
 Ask The Pros
 How to measure for bullnose?
 How to Calculate Square Footage
 Convert all of your measurements to feet
 Calculate the Area as Square Footage
 What Is Included In The Square Footage?
 Height Requirements
 Garages, Protrusions, and Unfinished Areas
 Finished Home Connections
 Basements & Attics
 Covered, Enclosed Porches
 How to Calculate the Square Feet of a Home or Residence
 How to Calculate Price per Sq Ft
 What to leave out
 How many square feet is a 20×20 room?
 What to leave in (and take out of) the square footage
 Square Footage Formulas and Images for Different Areas
 Calculate square footage for a circle border area
 Calculate square footage for a annulus area
Reader Success Tales

Monica Williams Nov 6, 2016
“This text and video confirmed me the right way to calculate the sq. footage of my area. I am planing to tile my lounge (rectangle) and noticed at Costco a lovely tile. The field stated it covers nearly 10 sq. ft. Now I’ll measure my lounge and see what number of containers I would like. Thanks.” …” extra
Video
How one can discover the sq. footage of a rectangle
 Measure the width and size of the realm in ft.
 Multiply your size and width collectively to get your space.
Notice: In case your measurements aren't in ft, convert them to ft first utilizing our length converter.
When you've carried out your calculation, you’ll have your sq. ft (ft^{2}) determine. To calculate your price of supplies, merely multiply this determine by your price per square foot.
Ask The Professionals
Studying the right way to calculate the sq. ft of a home is usually a difficult job. Fortunately, there are specialists that can assist you. It’s common apply to rent knowledgeable appraiser to precisely measure your property. Relying on the property’s measurement, the price of an appraiser to measure the sq. footage can vary from $100 to a number of hundred {dollars}. When an appraiser calculates the sq. ft of a home, in addition they solely embrace areas which are heated and cooled. Whereas two totally different appraisers will typically have totally different measurements on sq. footage, there’s normally solely a 13% variance. Appraisers will do their greatest to calculate sq. footage with scientific accuracy.
How one can measure for bullnose?
Measure the size of any outdoors edge the place your tile edge could be uncovered otherwise you need framed out. Bullnose (additionally referred to as trim items and ornamental tiles) are sometimes offered by the piece. To determine the amount you must set up the size of the trim piece (i.e. 6″ bullnose, 8″ ornamental liner), then the rule is: Your complete linear size divided by the size of every piece equals your amount wanted.
How one can Calculate Sq. Footage
Sq. footage is space expressed in sq. ft. Likewise, sq. yardage is space expressed in sq. yards. Sq. meters can be a typical measure of space.
Assume you may have an oblong space comparable to a room and, for instance, you need to calculate the sq. footage space for flooring or carpet.
The best way to calculate an oblong space is by measuring the size and width of your space then multiplying these two numbers collectively to get the realm in ft squared (ft^{2}). When you’ve got on oddly formed space, comparable to an Lshape, break up it into sq. or rectanglualar sections and deal with them as two separate areas. Calculate the realm of every part then add them collectively to your complete. In case your measurements are in several items, say ft and inches, you’ll be able to first convert these values to ft, then multiply them collectively to get the sq. footage of the realm.
Convert all your measurements to ft
 In the event you measured in ft skip to “Calculate the Space as Sq. Footage”
 In the event you measured in ft & inches, divide inches by 12 and add that to your ft measure to get complete ft
 In the event you measured in one other unit of measure, do the next to convert to feet – inches: divide by 12 and that’s your measurement in ft – yards: multiply by 3 and that’s your measurement in ft – centimeters: multiply by 0.03281 to transform to ft – meters: multiply by 3.281 to transform to ft
Calculate the Space as Sq. Footage
 If you’re measuring a sq. or rectangle space, multiply size instances width; Size x Width = Space.
 For different space shapes, see formulation beneath to calculate Space (ft^{2}) = Sq. Footage.
What Is Included In The Sq. Footage?
In measuring the sq. footage of a home, it’s essential to know what can and might’t be included within the calculations. Not each foot of your property enclosed by partitions will depend in direction of complete sq. footage. As an alternative, you are attempting to find out the gross residing space — or the livable components of your property. Hold studying to study extra concerning the specs for measuring sq. footage:
Top Necessities
There may be one measurement far too many inexperienced “appraisers” neglect about: ceiling top. That’s to not say you measure the realm as a threedimensional area, however moderately that the ceiling is without doubt one of the standards I already alluded to. You see, for an space’s sq. footage to depend within the dwelling’s general sq. footage, the ceiling above it have to be a sure top. In line with ANSI’s American Nationwide Commonplace For SingleHousehold Residential Buildings, completed areas will need to have a ceiling top of not less than seven ft, “besides underneath beams, ducts, and different obstructions the place the peak possibly six ft and 4 inches.” Alternatively, Angled ceilings should relaxation on the beforehand mentioned seven ft for not less than half of the room’s complete ground space. If the ceiling is not less than seven ft for not less than half of the room’s ground space, complete sq. foot calculations ought to embrace each space the place the ceiling is not less than 5 ft tall.
Garages, Protrusions, and Unfinished Areas
Irrespective of how a lot you could want your storage was included within the complete sq. footage of your home, it’s not. I repeat, garages aren’t included within the complete sq. footage of a property, even when they’re completed — that’s as a result of they don’t seem to be the identical stage as the house itself. Equally, chimneys and window areas aren’t included in a house’s sq. footage; not solely are they not completed, however they don’t seem to be on the identical stage.
Completed Residence Connections
When you’ve got a completed space related to the home by a completed hallway or stairway, the following space could also be included within the dwelling’s complete sq. footage. Nevertheless, completed areas related in some other means (like by an unfinished hallway or staircase, as an illustration) gained’t be included within the dwelling’s complete sq. footage.
Basements & Attics
Basements don’t sometimes depend in direction of a house’s gross residing space no matter whether or not they’re completed. Since they’re beneath the remainder of the house, basements can’t be included within the complete sq. footage. That stated, owners might be aware the dimensions of a completed basement in a respective itemizing elsewhere. Alternatively, attics could also be counted in a house’s complete sq. footage if they’re completed and meet the peak necessities said above.
Coated, Enclosed Porches
Coated, enclosed porches could also be included in a house’s gross residing space if they’re completed, and they’re heated utilizing the identical system as the remainder of the home.
How one can Calculate the Sq. Toes of a Residence or Residence
When measuring the sq. footage of a house or residence, some particular issues apply to find out the inhabitable sq. footage. The livable measurement of a house helps decide the market worth and value and helps consumers perceive the general measurement.
Solely livable rooms, with completed partitions, ground, and ceiling, depend towards the completed space of the house. For a room to be thoughtabout livable, the area must be completed and may have heating or air con as relevant.
Indoor areas depend towards the sq. footage of a house, whereas outside areas sometimes don’t. In truth, the American Nationwide Requirements Institute has outlined guidelines^{[1]} for what counts as completed space and which rooms contribute to the gross residing space of a house.^{[2]}
To calculate the overall space, measure every room in ft utilizing a tape measure. Then, multiply the size and width of every room to get the sq. footage, then add all of them collectively.
The calculator above may also help decide the sq. ft of every room, then merely add all of the room’s areas collectively. We even have nice assets on the right way to measure rooms and complex spaces.
How one can Calculate Value per Sq Ft
To calculate the value per sq. foot of your property, divide the overall value by the variety of sq. ft.
value per ft^{2} = complete value ÷ complete ft^{2}
For instance, to seek out the value per ft^{2} of a house that prices $200,000 and is 2,000 ft^{2} use this components.
value per ft^{2} = $200,000 ÷ 2,000 ft^{2} value per ft^{2} = $100
In the event you’d choose to not do the maths, you may also use our unit price calculator to calculate the value per sq. foot.
What to depart out
rule of thumb to make sure you’re taking correct measurements is to exclude area you’ll be able to’t stroll on or dwell in. Some of these areas don’t depend as “gross residing space.”
“Somebody would possibly suppose, ‘If I get the measurement of my first ground and I’ve a twostory home, I simply multiply that by two,’” Day says. Nevertheless, if that first ground features a twostory lobby, you’ll be able to’t depend the nonusable area.
Basements and garages, even when they’re completed, don’t typically depend towards complete sq. footage. Basements are sometimes excluded as a result of they’re constructed beneath grade, which means beneath floor stage. In case your state does enable basements to be included within the complete sq. footage of a house, although, you’ll probably want an ingress and egress, or a secure method to enter and exit the basement to the surface.
Completed attic areas — with some laws, together with ceiling heights — can depend towards the overall sq. footage of your property. If you’re planning to promote your property, work with an actual property agent to craft a list that precisely displays your property.
What number of sq. ft is a 20×20 room?
The sq. footage of a room measuring 20 ft vast by 20 ft lengthy is 400 sq. ft. To calculate this you merely multiply the width by the peak. 20ft × 20ft = 400 sq ft.
What to depart in (and take out of) the sq. footage
However, in fact, it’s not that easy.
Storage area is just not included in sq. footage, and many requirements don’t depend basements (even when they’re completed) in general sq. footage. Both means, be certain to measure the basement’s sq. footage to your information — you’ll be able to nonetheless embrace it in any future property listings.
Conversely, completed attic area that’s match for habitation and boasts not less than seven ft of clearance must be included in your GLA. The identical is true for any further tales in the home.
For instance, suppose you’re describing a twostory dwelling with a 1,500squarefoot first ground, 1,000squarefoot second ground, and 800squarefoot completed attic. You would record it as 3,300 sq. ft with 1,000 sq. ft of unfinished basement and a 600foot storage. However to explain it as a 4,900squarefoot home would mislead potential consumers concerning the measurement, and unfairly enhance the property’s worth.
Sq. Footage Formulation and Pictures for Totally different Areas
Utilizing measurements in ft: Space (ft) = Aspect Size x Aspect Size
Utilizing measurements in ft: Space (ft) = Size x Width
Utilizing measurements in ft: Interior Space (ft) = Size x Width Whole Space (ft) = (Size + (2 x Border Width)) x (Width + (2 x Border Width)) Space (ft) = Whole Space – Interior Space
Utilizing measurements in ft: Space (ft) = Pi x (Diameter/2)^2 Pi = 3.14
Calculate sq. footage for a circle border space Utilizing measurements in ft: Outer Diameter = Interior Diameter + (2 x Border Width) Outer Space (ft2) = Pi x (Outer Diameter/2)^2 Interior Space (ft2) = Pi x (Interior Diameter/2)^2 Space (ft2) = Outer Space – Interior Space Pi = 3.14 Clearly, the Circle Border and Annulus are the identical, simply measured otherwise.
Calculate sq. footage for a annulus space Utilizing measurements in ft: Outer Space (ft2) = Pi x (Outer Diameter/2)^2 Interior Space (ft2) = Pi x (Interior Diameter/2)^2 Space (ft2) = Outer Space – Interior Space Pi = 3.14 Clearly, the Circle Border and Annulus are the identical, simply measured otherwise.
Utilizing measurements in ft: Space (ft) = (1/4) x sq. root[ (a+b+c) x (b+ca) x (c+ab) x (a+bc) ]
Utilizing measurements in ft: Space (ft) = ((a + b) / 2 )h