what is the formula to convert inches to square feet?

Calculate a Rectangle Surface area

Estimator Utilise

Use this figurer to find the square footage, square yardage, square meters or acres for a building, home, garden or construction project. Calculate foursquare footage, yardage, meters and acres for landscape, floor, carpet, or tiling projects to gauge surface area and the amount of textile you will need. Also calculate the cost of materials when yous enter the price per square foot, cost per square m or price per square meter.

Toll is entered in the fields, for instance, every bit
$ price: 3.00 per: 1 square unit of measurement: pes (ft²)
meaning $three.00 per i square pes
or
$ price: 25.00 per: 1000 square unit: foot (ft²)
pregnant $25.00 per 1000 foursquare feet
etc ....

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

Enter measurements in U.s.a. 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 case, if you have one measurement that is seven'3" you tin can enter that equally vii.25 anxiety (three"/12" = 0.25 ft). If you lot accept a measurement of 245 cm yous can likewise enter that as two.45 m.

How to Calculate Square Footage

Foursquare footage is surface area expressed in square feet. Likewise, square yardage is area expressed in square yards.  Foursquare meters is besides a mutual mensurate of area.

Assume you take a rectangular area such as a room and, for example, you want to calculate the foursquare 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 2 numbers together to get the area in feet squared (ft²). If you take on oddly shaped area, such every bit an L-shape, separate it into square or rectanglualar sections and treat them equally two separate areas. Calculate the area of each section and then add them together for your total. If your measurements are in different units, say anxiety and inches, you can showtime convert those values to feet, then multiply them together to go the square footage of the area.

Measure

• Measure the sides of your area

Convert all of your measurements to anxiety

• If y'all measured in feet skip to "Calculate the Area as Square Footage"
• If you measured in anxiety & inches, divide inches by 12 and add together that to your feet measure out to go total anxiety
• If you measured in another unit of measure, practice the post-obit to catechumen to anxiety
  - inches: divide by 12 and that is your measurement in feet
  - yards: multiply by 3 and that is your measurement in anxiety
  - centimeters: multiply by 0.03281 to convert to anxiety
  - meters: multiply by 3.281 to convert to anxiety

Calculate the Area as Square Footage

• If you are measuring a square or rectangle expanse, multiply length times width; Length 10 Width = Area.
• For other area shapes, encounter formulas below to calculate Expanse (ft²) = Square Footage.

Convert among square inch, square foot, square yard and foursquare 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 last answer to the unit y'all demand such as foursquare feet or square meters.

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

• Square Feet to Square Yards
  • multiply ft² by 0.11111 to go yd²
• Foursquare Feet to Square Meters
  • multiply ftⁱⁱ by 0.092903 to get m²
• Foursquare Yards to Square Feet
  • multiply ydⁱⁱ by nine to get ft^two
• Square Yards to Foursquare Meters
  • multiply yd² by 0.836127 to go thousand²
• Square Meters to Square Anxiety
  • multiply 1000^two past 10.7639 to get ftⁱⁱ
• Square Meters to Square Yards
  • multiply mⁱⁱ by ane.19599 to get yd²

Square Footage Formulas and Images for Different Areas

Foursquare Area

Calculate square footage for a square area

Using measurements in anxiety:

Area (ftⁱⁱ) = Side Length x Side Length

Rectangle Expanse

Calculate square footage for a rectangle area

Using measurements in feet:

Area (ft²) = Length x Width

Rectangle Border Surface area

Calculate square footage for a rectangle edge area

Using measurements in feet:

Inner Expanse (ft²) = Length ten Width

Total Expanse (ft^two) = (Length + (2 x Border Width)) 10 (Width + (2 ten Border Width))

Area (ft²) = Total Area - Inner Surface area

Circle Expanse

Calculate square footage for a circumvolve area

Using measurements in feet:

Area (ft²) = Pi x (Diameter/2)^two

Pi = 3.fourteen

Circumvolve Border Area

Calculate square footage for a circle edge expanse

Using measurements in feet:

Outer Diameter = Inner Diameter + (ii x Border Width)

Outer Area (ft²)
= Pi x (Outer Bore/2)^2

Inner Area (ft²)
= Pi ten (Inner Diameter/ii)^2

Expanse (ft²) = Outer Expanse - Inner Expanse

Pi = iii.14

Plain, the Circle Edge and Annulus are the same, just measured differently.

Annulus Area

Calculate square footage for a annulus area

Using measurements in anxiety:

Outer Area (ft²)
= Pi x (Outer Bore/two)^2

Inner Area (ft²)
= Pi x (Inner Diameter/2)^ii

Area (ft²) = Outer Expanse - Inner Surface area

Pi = 3.14

Obviously, the Circumvolve Border and Annulus are the same, just measured differently.

Triangle Area

Calculate square footage for a triangle expanse

Using measurements in anxiety:

Surface area (ft²) = (1/4) ten square root[ (a+b+c) x (b+c-a) ten (c+a-b) x (a+b-c) ]

Trapezoid Area

Calculate square footage for a trapezoid area

Using measurements in feet:

Expanse (ft²) = ((a + b) / 2 )h

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Source: https://www.calculatorsoup.com/calculators/construction/square-footage-calculator.php

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