Linear foot square foot calculator

Mar 2, 2024 · However, for irregularly shaped areas, the actual linear footage may vary. Q: What if I need to convert linear feet to acres? A: You can use the inverse of the formula provided in this calculator to convert linear feet to acres. Divide the square of the linear feet by 43560 to get the corresponding acreage.

Linear foot square foot calculator. Here we will explain and show you how to convert 600 square feet to linear feet (600 sq ft to linear ft). Square feet (sq ft) is the measurement of an area which is calculated by multiplying the width of the area by the length of the area. Furthermore, linear feet (linear ft) is the length of an area. Therefore, to convert 600 square feet to ...

Here we will explain and show you how to convert 1000 square feet to linear feet (1000 sq ft to linear ft). Square feet (sq ft) is the measurement of an area which is calculated by multiplying the width of the area by the length of the area. Furthermore, linear feet (linear ft) is the length of an area. Therefore, to convert 1000 square feet to ...

To calculate linear bed foot per acre, divide 43,560 (square feet per acre) by the distance in feet between the centers of your beds. For example, if you have 5-foot bed spacing, then you have 8,712 linear bed foot per acre. The fertilizer rate per linear bed foot can then be calculated by dividing the fertilizer rate per acre by the linear bed ...Add our linear feet to square feet calculator to your website using one of our FREE widgets. It's compatible with most website builders, including Wordpress. Choose the style of widget that fits your site, copy the HTML code below, then add the widget by pasting the HTML into your site's editor. See below for more detailed instructions on how ...This square yards calculator - an example. Imagine you want to put on some turf in your garden, but all you have is the width and length of the fence in feet. Yet, in the shop, they ask for the area given in square yards. Width - 120 ft. Length - 80 ft. yardage = 120 ft × 80 ft yardage = 120f t×80f t. yardage = 9600 ft^\text {2} yardage ...Calculate your square footage by multiplying the length of the space by the width of the space. For example, if the room measures 12 feet long and 10 feet wide, the flooring area is 120 square feet.Enter feet in whole numbers. Enter inches in mixed numbers, whole numbers or fractions in the following formats: Mixed numbers as 1 1/2 which is one and one half or 25 3/32 which is twenty five and three thirty-secondths. Keep exactly one space between the whole number and the fraction. Fractions as 3/4 which is three fourths or 3/100 which is ...Aug 19, 2023 · The linear feet calculator operates by taking the total length of items and dividing it by a specified length limitation per Less Than Truckload (LTL) shipping unit. It allows professionals to compute linear feet quickly, ensuring efficient planning and resource allocation. See also Grain Bin Capacity Calculator Online. The formula for calculating the square footage of your garden is quite simple: Area = Length × Width. To find the square footage of irregularly shaped gardens, you can divide it into smaller, more manageable shapes (like rectangles or triangles) and calculate the area of each shape separately. Then, sum up the areas of all the shapes to get ...

Subtract the width of your floor joist from your floor's length: 120" − 1.5" = 118.5". Divide that difference by the sum of the on-center spacing of the floor joists: 118.5" / 16" = 7.40625. Add 1 to this value and round up the answer to the next whole number: 7.40625 + 1 = 8.40625 ≈ 9 floor joists.When it comes to construction projects, one of the most crucial aspects to consider is the building cost per square foot. This metric helps project managers and stakeholders estima...In order to calculate pounds per square foot you just need to do some simple math. Simply take the area (in square feet) you want to use as a measurement and divide the number of pounds you want to place on the area by that number. So if you had a 48 sq ft platform and you put 24lbs on that platform, you would take 24 divided by 48 to …Foot drop is when you have difficulty lifting the front part of your foot. This may cause you to drag your foot when you walk. Foot drop, also called drop foot, can be caused by a ...3. Divide the total area by the width of the boards used. When you know the size of your deck and the width of your building material, divide one by the other to calculate the linear footage that you need to buy. [7] For a deck of 96 square feet, using 6 inch (1/2 foot) wide boards, you need: 4. Plan for some waste.

A 12-foot board will measure exactly 12 feet in length. How to calculate square feet? To calculate the square footage of a rectangular area, multiply the length by the width in feet. For example, if you have a room that is 10 feet long and 12 feet wide, the square footage is 10 feet x 12 feet = 120 square feet.Defined as the area of a square with sides of 1 foot, a square foot is a non-metric unit commonly used across the world to measure property, mainly apartments and flats. Square foot has several abbreviations, including sq.ft., sf and ft2, while the term square feet is used to denote plural.It depends on the linear footage of the walls. A rough estimation could be around 10-15 linear feet for a 100-square-foot room. How do you calculate linear feet of baseboard? Measure the length of each wall where baseboard will be installed and add those measurements together. This gives you the total linear feet of baseboard needed.Lumens Per Foot Formula. The following formula is used to calculate the lumens per foot. LPF = TL / L LPF = T L/L. Variables: LPF is the lumens per foot (lm/ft) TL is the total lumens (lm) L is the length of the light source (feet) To calculate the lumens per foot, divide the total lumens by the length of the light source in feet.Whether it's carpet, laminate floor or wood for your project, calculating the price per square foot for flooring can differ depending on the installaion company you choose . At The Carpet Guys we make it easy and quick by following these simple rules to get the price per square foot for flooring for each room. Length x Width (total sq. ft.)Calculate the length of one side of the square by dividing the perimeter by 4. So if the perimeter of the square is 32 feet, you have: 3 2 f t 4 = 8 f t. \frac {32 \text { ft}} {4} = 8 \text { ft} 432 ft. . = 8 ft. Note that you carry the unit of measure – feet – along throughout your calculations. Compute the area of the square by ...

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The average cost for privacy fence materials with installation to be roughly $4,000-5,700 for a basic 6′ ft. vinyl privacy fence. Exotic hardwood privacy fences will cost you roughly $6,000-$7,600.00 range. Composite fencing will run you somewhere in the $7,600-$9,000 range. 4″x 4″ posts will cost roughly $20-$50.00 each.Here we will explain and show you how to convert 40 square feet to linear feet (40 sq ft to linear ft). Square feet (sq ft) is the measurement of an area which is calculated by multiplying the width of the area by the length of the area. Furthermore, linear feet (linear ft) is the length of an area. Therefore, to convert 40 square feet to ...Other tools that can be used for similar operations are the square footage calculator and the area conversion tool. ... miles. It can be achieved by changing a unit in the drop-down list, as with the other conversions. Changing acres to square miles without a calculator is also quite complicated, because, just like with hectares and square ...It's simple but you'll know exactly what's needed. Caveat: Remember that the width needed is the real measurement of the face of the board. This infographic shows how to convert square feet to linear feet the mathematical way. You Can Find Related Articles Here: Deck Calculator - Convert Square Feet to Linear Feet. How Much Does Ipe ...In feet it would be 2.333x4.75 = 11.08 If we calculated the square footage in inches, it comes out to - 28x57=1596 1596÷144=11.08 Square feet is the most accurate way to track a customer's usage. Almost all Wide format printers have a square footage meter in the machine.

Board Foot: 200 inches (length) X 50 inches (Width) X 2 inches (Thickness) Divide Length & Width which is in inches by 12 to convert them into feet: = (200/12) X (50/12) X (2) =16.6666 x 4.1666 x 2. = 138.88 Board Feet. Note: If measurements are taken in feet then there is no need to convert them into feet by dividing by 12, simply multiply ...Length only, not height. Now, add all four lengths together. This number is the linear foot of the room. This is completely different than square feet. For example, the square footage of a 10×10 room is 100. But the linear footage of a 10×10 room is forty because each wall is ten feet long.Here we will explain and show you how to convert 250 square feet to linear feet (250 sq ft to linear ft). Square feet (sq ft) is the measurement of an area which is calculated by multiplying the width of the area by the length of the area. Furthermore, linear feet (linear ft) is the length of an area. Therefore, to convert 250 square feet to ...Adding drywall. Adding drywall costs $1.50 to $3.50 per square foot, or about $14 to $32 per linear foot, depending on the ceiling height. Finishing drywall costs another $1.50 to $3.50 per square foot and uses gypsum mud and joint tape to create a smooth surface.. Cost of putting up a stud wall with plaster and lath. Plastering a wall costs $2 to $10 per square foot to add plaster and lath to ...Other tools that can be used for similar operations are the square footage calculator and the area conversion tool. ... miles. It can be achieved by changing a unit in the drop-down list, as with the other conversions. Changing acres to square miles without a calculator is also quite complicated, because, just like with hectares and square ...Here we will explain and show you how to convert 150 square feet to linear feet (150 sq ft to linear ft). Square feet (sq ft) is the measurement of an area which is calculated by multiplying the width of the area by the length of the area. Furthermore, linear feet (linear ft) is the length of an area. Therefore, to convert 150 square feet to ...Linear footage is calculated by measuring the lengths of a space or objects in feet using a tape measure and adding them together. Width, height, and thickness measurements are not included. Convert the units using suitable converters if needed. Linear Feet = sum of linear measurements in inches / 12.This calculator calculates the surface area of the pool in square feet, volume of the pool in cubic feet, the perimeter of the pool in lineal feet and the amount of water it takes to fill the pool with results in US Gallons, Imperial Gallons and Litres. For this calculator you need to enter the length (diameter) and average depth of the pool.How to convert a linear foot to square foot? To obtain an area in square foot, it is necessary to multiply the length in linear foot by the width of one linear foot. Square inch to linear inch (in^2 to lin. in) online converter. linear meters to square meters conversion online and m2 to linear meters.Square foot. Definition: A square foot (symbol: sq ft) is a unit of area used in the imperial and US customary systems (UCS). It is defined as the area of a square with one-foot sides. One square foot equals 144 square inches. History/origin: The origin of the square foot can be seen in the term itself. It is a measurement derived from the area of a square with a side length measured in feet.Linear Feet (LF) Square Feet (SF) Waste % (5-10) Est with Waste. Should be Empty: Flooring Calculators. Quick Reference. We have provided several flooring and lumber basic calculators to help you with your current and future projects. For wood flooring orders, we typically recommend 7-10% waste to add to your overall square footage.

If you need to convert to cubic feet from inches: divide the final number (i.e. the total you get after multiplying the three dimensions together) by 1728. If you need to convert to cubic feet from meters/metres: multiply your final number by 35.31. If you need to convert to cubic feet from yards: multiply your final number by 27.

September 23, 2023 by GEGCalculators. The price per board foot of wood varies depending on factors like wood species, quality, and market conditions. On average, common hardwoods like oak and maple can range from $2 to $8 per board foot, while exotic woods like teak or mahogany can be higher, ranging from $5 to $15 per board foot or more.Here we will explain and show you how to convert 3000 square feet to linear feet (3000 sq ft to linear ft). Square feet (sq ft) is the measurement of an area which is calculated by multiplying the width of the area by the length of the area. Furthermore, linear feet (linear ft) is the length of an area. Therefore, to convert 3000 square feet to ...Calculate lumber Linear Ft boards to Square Ft and Square Ft to Linear Ft. Home. Menu Sticky Menu: Version: blocklayer.com Linear Square: Linear Cubic: Gate Brace: Knee ... A board foot is a measurement for a piece of lumber 12" wide by 12" long by 1" thick. ( 1' x 1' x 1" )More information from the unit converter. How many feet in 1 linear foot? The answer is 1. We assume you are converting between foot and linear foot.You can view more details on each measurement unit: feet or linear foot The SI base unit for length is the metre. 1 metre is equal to 3.2808398950131 feet, or 3.2808398950131 linear foot. Note that rounding errors may occur, so always check the ...This board foot calculator allows you to quickly estimate the volume of hardwood lumber you want to buy. If you're unsure how to calculate board feet or what a …Let's say that I want to build a wall that measures 5 feet in length and 4 feet in width. For a building material, I will use bricks measuring 8 inches by 3 inches separated with mortar 0.3 inches wide and assume a brick wastage of 5%. 🧱. Entering these dimensions into the calculator gives a wall area (in square feet) of:You can also use a square feet calculator to easily find the square footage of your brick. Step Three: Find How Many Bricks Fill the Wall. You can determine the number of bricks needed to cover your area by dividing the square footage of the area to be covered by the brick’s square footage (wall sq ft ÷ brick sq ft).

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Say that you know a room has 80 square feet with a length of 8 square feet. You divide 80 by 8 for the result of 10, which is the measurement of the room's width in linear feet. To calculate the perimeter, you add two length measurements and two widths. For an 8 by 10 foot room, the perimeter is (8 x 2) + (10 x 2) or 36 linear feet. Calculate the number of board feet in one of the boards:$$\text {Board feet in one board} = {2.5 × 4.5 × 2 \over 12} = \text {1.875 bd. ft.}$$. Multiply by the total number of boards (10) to get the total number of board feet:$$\text {Total board feet = 1.875 × 10 = 18.75 bd. ft.}$$. If you know the cost per board foot, then multiply the ...Square Feet to Linear Feet Conversion Calculator Linear Feet to Square Feet Conversion Multiple Width (Equal Linear Feet) Calculator Width (inches) Linear Feet Square Feet 0.00 0.00 0.00 TOTAL = 0.00 0.00 Unique Wood Products makes no representations or warranties whatsoever relative to the accuracy of this calculator (or any of its […]Adding drywall. Adding drywall costs $1.50 to $3.50 per square foot, or about $14 to $32 per linear foot, depending on the ceiling height. Finishing drywall costs another $1.50 to $3.50 per square foot and uses gypsum mud and joint tape to create a smooth surface.. Cost of putting up a stud wall with plaster and lath. Plastering a wall costs $2 to $10 per square foot to add plaster and lath to ...Defined as the area of a square with sides of 1 foot, a square foot is a non-metric unit commonly used across the world to measure property, mainly apartments and flats. Square foot has several abbreviations, including sq.ft., sf and ft2, while the term square feet is used to denote plural.Online Calculators: Many websites offer free tools to help you convert square footage to linear feet, ensuring you buy the right amount of material. Tutorials and Guides : Look for step-by-step guides that explain how to measure one linear foot of building materials and more.There are a number reasons to calculate square footage, such as for measuring a home with the purpose of putting a price on square footage when selling it. Remodeling projects may ...Though circles never have a fixed width, you an calculate one's area to find the linear footage of a similarly sized 1-foot board. Measure the circle's radius. For this example, consider a circle with a radius of 10 feet. Square the radius: 10^2 = 100 square feet. Multiply the result by pi, which equals approximately 3.142: 3.142 x 100 = 314.2.CALCULATOR. Use this linear board foot calculator to determine the pricing for materials needed for a project. Simply enter the board's dimensions (thickness, length, and width) and the price. Units. Board Thickness (in) Board Width (in) Board Length (in) Price Per Board Foot (optional) Calculate.Calculate your square footage by multiplying the length of the space by the width of the space. For example, if the room measures 12 feet long and 10 feet wide, the flooring area is 120 square feet. ….

That's why we recommend dividing the room into rectangular sections, as mentioned above, and then calculating the sizes of each rectangle separately. Finally, add up all the values to get the total area. To start calculating, enter all the dimensions and choose the correct units of measurement. Room Size Calculator. Select Feet or Meters.Jul 11, 2023 ... So, if you have a measurement of 9 inches, the measurement in linear feet would be 0.75 linear feet (9 divided by 12). If you have a measurement ...I didn’t earn the nickname “Tourette’s” for my great small talk skills. If there is a way to accidenta I didn’t earn the nickname “Tourette’s” for my great small talk skills. If th...Total Shiplap Needed (in linear feet) = Total Square Footage / Width of Shiplap. Total Square Footage: This represents the area you intend to cover with shiplap. To find this value, you'll need to measure both the height and width of the wall or surface and then multiply these measurements. For example, if your wall is 8 feet high and 10 feet ...To calculate board feet to square feet, you must know the thickness of your lumber. For example, if your lumber is one inch thick, there are 650 square feet in 650 board feet. If your lumber is two inches thick, you’ll end up with 325 square feet, and if your lumber is three inches thick, you’ll have 216.67 square feet of lumber.Step 2: Calculate. Enter only the information needed for your desired calculation. You can calculate the area of your wall by multiplying the length of the wall by the height (expressed in feet). Be sure to subtract the area of any openings (e.g. doors or windows). These calculations are based on the brick selected in Step 1.Convert Lineal Feet to Square Feet. Lumber and many other materials are measured in lineal feet of lengths. You can get a lumber price quoted in lineal feet, but you may have to know the number of square feet it covers. For lumber and siding products, quite often, having the square foot amount instead of lineal feet makes more sense.Square Feet To calculate the total number of square feet within an entire drawing, use one of the following methods: Option 1: Multiply the length and width in feet. For example, a 24x36 (in) drawing would be 2 x 3 = 6 square feet. Option 2: Multiply the length and width in inches, then divide by 144. For example, a 24x36 (in) drawing would be ... Linear foot square foot calculator, 5. 25. This table shows the area in square feet for different dimensions when converting linear feet to square feet. To find the square footage of an area, multiply the length by the width. For example, if you have a length of 4 linear feet and a width of 3 linear feet, the area would be 12 square feet (4 feet x 3 feet = 12 square feet)., A linear foot is 12 inches in a straight line. Using the term “linear” indicates that you are measuring in a straight line. Anytime you measure something in a straight line in the United States, you’re measuring how long that thing is in linear feet. Linear feet differ from square feet and cubic feet, though., Check out our handy Wood Decking Calculator. It works perfectly for both standard & pre-grooved decking. You're also covered covered when it comes to converting square footage of tongue and groove decking into linear footage. When completing your deck design, having decking calculators and square footage converters at your disposal will save ..., Here we will explain and show you how to convert 1200 square feet to linear feet (1200 sq ft to linear ft). Square feet (sq ft) is the measurement of an area which is calculated by multiplying the width of the area by the length of the area. Furthermore, linear feet (linear ft) is the length of an area. Therefore, to convert 1200 square feet to ..., 2 days ago ... Calculation Formula · Convert acres to square feet: \(\text{Square Feet} = \text{Acres} \times 43,560\) (since 1 Acre = 43,560 square feet)., Calculate Volume of Square Slab Calculator Use. Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. Enter dimensions in US units (inches or feet) or metric units (centimeters or meters) of your concrete structure to get the cubic yards value of the amount of concrete you will need to make this structure., Square feet do not “contain” linear feet, but they are calculated using linear feet as units of measurement. Square feet are two-dimensional measurements, whereas linear feet are o..., The square footage cost calculator exactly as you see it above is 100% free for you to use. If you want to customize the colors, size, and more to better fit your site, then pricing starts at just $29.99 for a one time purchase. Click the "Customize" button above to …, Timber/Beam Calculator - Calculate Board Feet, Calculate BF. Photos. Find Photoset; Find Photo; Recent Photosets; Documents. Spec Sheets; Other Product Documents; Policy Documents; About Us. ... Linear Feet: 0.00 Square Feet: 0.00 Board Feet: 0.00. How nominal is width (0.0 = full width)?: inches. Height (inches) Width (inches) Length (feet ..., How to Use a Trim and Molding Calculator. Follow these simple steps: Enter Room Size: Input length and width of each room. Add Openings: Input number of doors and windows if needed. Get Lineal Footage: Calculator provides total linear molding footage required. Buy Materials: Use the totals to purchase exactly what you need for the project., B*L = 2*26 = 52. Thus, you need 52 linear feet from this roll. The total square footage is 52*12 = 624 sq.ft. When you lay this carpet you must roll it out parallel to the longer side of the room. Example 2: Consider the same floor as described in Example 1, but this time the width of the carpet roll is R = 15 feet., To calculate the number of linear feet of decking needed, measure the square footage of your deck and multiply that by 2.28. Depending on the complexity of your deck you may want to add 10% for cut off waste (Example: 10 ft. x 10 ft. = 100 square ft. x 2.28 = 228 linear feet). To calculate how many fastening clips required using TruNorth ..., Square Feet to Linear Feet Conversion Calculator Linear Feet to Square Feet Conversion Multiple Width (Equal Linear Feet) Calculator Width (inches) Linear Feet Square Feet 0.00 0.00 0.00 TOTAL = 0.00 0.00 Unique Wood Products makes no representations or warranties whatsoever relative to the accuracy of this calculator (or any of its […], 5. 25. This table shows the area in square feet for different dimensions when converting linear feet to square feet. To find the square footage of an area, multiply the length by the width. For example, if you have a length of 4 linear feet and a width of 3 linear feet, the area would be 12 square feet (4 feet x 3 feet = 12 square feet)., To calculate linear feet for kitchen cabinets, simply measure the length in inches, then divide by 12 to figure out the actual linear feet. For example, a 10’ x 10’ kitchen has two walls with 10 feet each (or 240 inches if you add them together). Divide this measurement by 12 and you’ll get a total of 20 linear feet (LF)., Linear feet, often referred to simply as "lineal feet," is a measurement used to quantify the length of an object or space in a straight line. Unlike square footage, which considers the area, linear feet focus on the distance. This distinction is crucial in various industries, influencing project planning and execution., Here are some examples of what our Square Feet to Linear Feet Calculator can convert for you: 50 square feet to linear feet. 100 square feet to linear feet. 250 square feet to …, Square foot. Definition: A square foot (symbol: sq ft) is a unit of area used in the imperial and US customary systems (UCS). It is defined as the area of a square with one-foot sides. One square foot equals 144 square inches. History/origin: The origin of the square foot can be seen in the term itself. It is a measurement derived from the area ..., A square foot is sometimes also referred to as a square ft. Square feet can be abbreviated as sq ft, and are also sometimes abbreviated as ft². For example, 1 square foot can be written as 1 sq ft or 1 ft². You can use a square footage calculator to calculate the area of a space if you know its dimensions. How Much Is a Square Foot?, Calculate Volume of Square Slab Calculator Use. Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. Enter dimensions in US units (inches or feet) or metric units (centimeters or meters) of your concrete structure to get the cubic yards value of the amount of concrete you will need to make this structure., Though circles never have a fixed width, you an calculate one's area to find the linear footage of a similarly sized 1-foot board. Measure the circle's radius. For this example, consider a circle with a radius of 10 feet. Square the radius: 10^2 = 100 square feet. Multiply the result by pi, which equals approximately 3.142: 3.142 x 100 = 314.2., A 10×10 room has an area of 100 square feet. To find the cubic feet, you need the height of the room. Let's assume the room is 8 feet high. The volume would be 100 sq ft * 8 ft = 800 cubic feet. Is 2000 cubic feet the same as square feet? No, 2000 cubic feet is not the same as square feet., Step 2: Calculate. Enter only the information needed for your desired calculation. You can calculate the area of your wall by multiplying the length of the wall by the height (expressed in feet). Be sure to subtract the area of any openings (e.g. doors or windows). These calculations are based on the brick selected in Step 1., Linear Footage Calculator Full Hollinger boxes (15.25" x 5" x 10.25"): = Linear feet: ... Linear feet: Custom and other oversize boxes (# of boxes x width in inches): , MAILING ADDRESS Trestlewood PO Box 1050 Pleasant Grove, UT 84062-1050 Toll Free 877.375.2779 Fax 801.443.4007 , Here we will explain and show you how to convert 40 square feet to linear feet (40 sq ft to linear ft). Square feet (sq ft) is the measurement of an area which is calculated by multiplying the width of the area by the length of the area. Furthermore, linear feet (linear ft) is the length of an area. Therefore, to convert 40 square feet to ..., Length in linear feet (LF) is: 0.00 LF. Linear feet to square feet (LF to SqFt, LF to ft2) online calculator. How many feet are in linear feet? Linear feet = (lenght * width) / width of one linear feet. LF = (L*W) / width of one LF. LF is the abbreviation for linear feet. Sq ft is the abbreviation for square feet., To calculate the number of linear feet of decking needed, measure the square footage of your deck and multiply that by 2.28. Depending on the complexity of your deck you may want to add 10% for cut off waste (Example: 10 ft. x 10 ft. = 100 square ft. x 2.28 = 228 linear feet). To calculate how many fastening clips required using TruNorth ..., July 25, 2023 by GEGCalculators. Trenching costs can range from $1 to $20 per linear foot, depending on factors like the type of trencher used, the complexity of the project, and soil conditions. Manual trenching is generally cheaper at $1 to $3 per foot, while trenchers can cost between $4 and $20 per foot, with larger projects and difficult ..., Lineal Feet to Square Feet. Convert lineal feet to square feet. Enter the lineal feet. Enter the actual board width, not the nominal value of the board. Lineal Feet. lin ft. Board Width. in. n., Here we will explain and show you how to convert 500 square feet to linear feet (500 sq ft to linear ft). Square feet (sq ft) is the measurement of an area which is calculated by multiplying the width of the area by the length of the area. Furthermore, linear feet (linear ft) is the length of an area. Therefore, to convert 500 square feet to ..., The term 'square footage' denotes an area of measurement, with 'square feet' denoting a unit of area. Our square footage calculator applies the formulas below to determine the square footage of various shapes: Square: Area (ft 2) = Side Length 2; Rectangle: Area (ft 2) = Length × Width, To convert linear footage to square footage, use the following area to length formula: length = area ÷ width. For example, if you were using 3 x 6 tiles as a border, and there are 8 square feet in a box, 8 square feet divided by the width of the material (6″) gives us 16 linear feet of 3 x 6 tile in one box.