Linear feet to square foot calculator

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Get free estimates from roofers in your area to compare prices. Get Free Estimates. Roof pitch is expressed as the number of inches the roof rises for every 12 horizontal inches. For example, if your roof rises 5″ for every 12″, then you have a pitch of 5/12. The most common pitches are 4/12, 6/12, and 8/12.Mar 14, 2024 · Divide the total square footage by the width of the board in feet to get the linear footage. Formula. Example. Linear Feet = Square Footage / (Board Width in Inches / 12) Linear Feet = 100 sq. ft. / (6″ / 12) Divide the board width in inches by 12. This converts it to feet. Here we will explain and show you how to convert 750 square feet to linear feet (750 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 750 square feet to ...To calculate the square feet area of a square or rectangular room or area, measure the length and width of the area in feet. Then, multiply the two figures together: Sq ft = Length (ft) × Width (ft). Feet to square feet - …The linear foot simplifies purchasing linear materials by focusing solely on length, whereas the square foot is indispensable for planning and executing projects that cover a certain area. 12. Understanding the difference between these units is crucial for accurately planning projects, purchasing materials, and estimating costs.From here, you can determine the width of the roofing material being used. You can divide the total square footage by the width of the material to get the linear feet required. If we take the earlier result of 200 square feet, and then divide that by a material width of 3 feet, then we need 66.7 linear feet of material.Step 2: Calculate. Enter the information needed based on 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. Use this calculator to determine the linear footage (and yardage) of a roll of paper of a given basis weight. When filling in these fields, use decimal fractions where necessary; and give all lengths in inches and weight in pounds. Select a preset size or manually enter dimensions below.

Have you been taking good care of your feet? Learn how to select the right footwear and how to practice healthy foot care on the Foot Health topic. Each step you take involves a co...Flooring Calculator. Square Ft. To Linear Ft. Conversion. Linear Ft. To Square Ft. Conversion. Quickly calculate how much flooring you need with our flooring calculators. Determine coverage area and costs, convert square feet to linear, and measure by the board foot when buying hardwood lumber.Painting Price Per Square Foot. On average, homeowners across the US report spending $2.25-2.85 per square foot on professional painting labor and materials.. On the low end, its possible to spend as little as $1.95-2.05 per square foot on a professional painting job.. Depending on total square footage, job complexity and the quality of primer and paint used the cost can go up to $3.75-5 per ...MAILING ADDRESS Trestlewood PO Box 1050 Pleasant Grove, UT 84062-1050 Toll Free 877.375.2779 Fax 801.443.4007To 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 ... When converting from linear feet to square feet, it’s important to understand that not all linear feet will result in equal amounts of area when converted into square feet. This is because different ratios between length and width yield varying amounts of area (e.g., 10 x 10 = 100 sq ft, whereas 5 x 20 = 100 sq ft). Formula of Board ft to sq ft Calculator. The calculation is straightforward: Area (sq ft) = Board Feet (BF) / Thickness (ft) Where: Board Feet (BF) represents the volume of lumber in board feet. Thickness (ft) is the thickness of the boards in feet. This formula offers a concise method for obtaining the square footage from given board feet …

Quick conversion chart of linear foot to meters. 1 linear foot to meters = 0.3048 meters. 5 linear foot to meters = 1.524 meters. 10 linear foot to meters = 3.048 meters. 20 linear foot to meters = 6.096 meters. 30 linear foot to meters = 9.144 meters. 40 linear foot to meters = 12.192 meters. 50 linear foot to meters = 15.24 meters.Linear footage = (Square Footage x 12) / Width. Once you have the square footage, converting it to linear footage is just a few clicks away. Our linear foot lumber calculator allows you to input multiple widths, ensuring that you receive accurate results for each width variation. By multiplying the square footage by 12, we convert the ...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.On average, footings cost $1.50 to $24 per linear foot. Most, however, tend to average around $7 to $9 per linear foot. For 100 linear feet, this averages $700 to $900. The price varies based on the size of the footings and the amount of excavation needed. Here are some factors to consider when pricing concrete footings.

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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.Adhesive Calculator. Enter the total linear length for your fabrication below to get the total amount of adhesive needed. The estimated volume in this table is provided only as a basic guideline and is based on a seam that has a 0.020″ gap and a slightly irregular surface. A smooth cut and tight fit will require significantly less adhesive ...The answer is 0.33333333333333. We assume you are converting between yard and linear foot . You can view more details on each measurement unit: yards or linear foot The SI base unit for length is the metre. 1 metre is equal to 1.0936132983377 yards, or 3.2808398950131 linear foot. Note that rounding errors may occur, so always check the results.Step 4. Divide the total number of board inches by 12 to determine the linear board-feet measurement. For example, if our 96-inch deck length by 29 deck boards equals 2,784 board inches, then the board feet will be 232 linear feet (2,784 / 12 = 232). Building your own deck is a rewarding home project that enhances your family's living space ...Say you have a complex-shaped room composed of a 10x10 area adjacent to a 12x24 area. The area of the first one is 100 ft 2 and the area of the second is 288 ft 2, so the total square footage is 100 + 288 = 388 square feet. Say it costs $10 to cover one square foot in laminate flooring. To figure out the required cost for this room, multiply ...3 - Multiply the perimeter by the height to get the square footage of the waterline. For example, if the perimeter of your pool at the waterline is 80 feet and the height of the waterline is 1.5 feet, then the square footage of the waterline would be 120 square feet (80 x 1.5 = 120). Determining the Perimeter of Your Swimming Pool

This calculator uses feet and or inches for measurements. Ellipse = squashed circle. Ellipse Area and Perimeter. Length a: ft in: n d: ... the perimeter in lineal feet and inches; the perimeter in decimal inches; ... one square foot ( ft²) = 144 square inches (in²) one square inch (in²) = 0.00694444444444443 square feet (ft²) one square ...The formula for calculating the cost per linear foot is straightforward: Cost Per Linear Foot = Total Cost / Total Length. Where: Total Cost: The total cost of the material or project. Total Length: The total length of the material or project. This calculation gives you the cost associated with each unit of length, typically measured in feet.How to figure out Square & linear ft for Diy. In this video I teach the very basic way to figure out square feet and also cover how to convert square feet t...What is a Square Foot? A square foot is the two-dimensional measurement of the area inside a square (not a cube!), the sides of which are each 1 foot long. What is a Cubic Foot? As its name implies, a cubic foot is an area within a three-dimensional cube that measures 1-foot x 1-foot x 1 foot. Why are Linear Feet Important in MovingIn April 2024 the cost to Install Ductwork starts at $13.24 - $15.84 per linear foot. Use our Cost Calculator for cost estimate examples customized to the location, size and options of your project. To estimate costs for your project: 1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased.For a rectangular carpet, put in the carpet's width and length in the carpet calculator. If you want to do the math on your own, use the following formula to calculate the area: carpet area = carpet's width × carpet's length. Once you know the area, you can move on to calculating the cost. Put in the carpet's price per unit of area (remember ...Quick conversion chart of linear foot to meters. 1 linear foot to meters = 0.3048 meters. 5 linear foot to meters = 1.524 meters. 10 linear foot to meters = 3.048 meters. 20 linear foot to meters = 6.096 meters. 30 linear foot to meters = 9.144 meters. 40 linear foot to meters = 12.192 meters. 50 linear foot to meters = 15.24 meters.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.Here’s a simple three-step method along with the formula: Step 1: Measure the radius of the circle (the distance from the center to any point on the circumference). Step …Our Linear Board Foot Calculator is designed to make this process as straightforward as possible. By simply entering the dimensions of the wood you plan to use, including thickness, width, and length, our calculator will instantly provide you with the total board feet. This tool is perfect for woodworkers, builders, and DIY enthusiasts, helping ...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.

Step 7. Add up the lengths of all the strips. Add 6 inches for each strip to account for extra carpet needed to finish the ends. The number you get is the number of linear feet of carpeting you need. For example, for 16-foot wide carpet and a 32-foot by 64-foot room, you would have 64 feet plus 64 feet equals 128 feet total.

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).Here we will explain and show you how to convert 100 square feet to linear feet (100 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 100 square feet to ...A linear foot lumber calculator simplifies the process of estimating the amount of lumber needed for a project. By providing accurate measurements, it minimizes waste and saves time and money. Incorporating this tool into your planning process can streamline and optimize your construction or woodworking projects.The answer is 5280. We assume you are converting between linear foot and mile . You can view more details on each measurement unit: linear foot or MILES The SI base unit for length is the metre. 1 metre is equal to 3.2808398950131 linear foot, or 0.00062137119223733 MILES. Note that rounding errors may occur, so always check …Product Square Feet Needed Multiply By Lineal Feet Needed Recommended Waste Factor Total Lineal Feet Needed Exterior Wood Finishes 1x10 Channel Rustic Cedar (Includes 1x10 Shiplap) X 1.41 = X 1.12 = 1x10 Channel Rustic Cedar Utility X 1.41 = X 1.20 = 1x8 Channel Rustic ...Countertop Square Footage Math Formula. The math formula to calculate your countertop square footage is the following: Length X Width / 144. Length times Width devided by 144. You will multiply the length of your surface by the width then devide that by 144 to get the total square footage of that piece. Be careful not to count corner pieces twice.Lumber calculator formula. Our calculator works out the board feet of standard three dimensional wood material based on the measurements you provide.2. to LF) online calculator. Enter the area in square feet ( sq ft, ft2): If the width of linear feet measured in feet: Enter the width in feet (ft): Length in linear feet (LF) is: 0.00 LF. If …

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Trestlewood Calculators. May 22, 2012. We have just rolled out some flooring, timber / lumber and siding calculators that we think you might find helpful. Calculators available include: Flooring Calculators. Flooring Area to Cover Calculator (including waste factor) Square Feet to Linear Feet Conversion Calculator.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).Step 1. First determine the depth of the cabinets under the countertop. The depth of a cabinet is the distance measured between the front face of the cabinet and the wall behind it. Most all countertop base cabinets are manufactured in standard depths of 18, 24 or 30 inches. Most residential kitchen and bathroom cabinets are 24-inches deep.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.Carpet rolls are usually 12 feet or 15 feet wide and carpeting is often sold by the linear foot. For example, if you purchase linear 20 feet from a roll that is 12 feet wide, you will have 240 square feet of carpet. Likewise, if you buy 450 square feet of carpet from a roll that is 15 feet wide, it is equivalent to buying 30 linear feet.Our experts can help. Give us a call at 800-348-2529 or leave us a message.Enter the total square feet: Total Square Feet: The amount of square feet that you need to cover is: Size Options and Costs. 1 x 6 Aspen T&G Board Feet = $. 1 x 6 Aspen 8' T&G Board Feet = $. 1 x 6 Aspen 10' T&G Board Feet = $. 1 x 6 Aspen 12' T&G Board Feet = $. 1 x 8 Aspen T&G Board Feet = $.Here we will explain and show you how to convert 480 square feet to linear feet (480 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 480 square feet to ...Apply these numbers in the formula to determine the number of board feet for each piece. BF/piece = 8 x 10 x 1.25 / 12 = 8.33. Now multiply the result by the number of pieces to get the total number of board feet. Total BF = 5 x 8.33 = 41.67. Finally, multiply the total number of board feet by the price of each board foot to get the total cost. ….

Timber/Beam Calculator - Calculate Board Feet, Calculate BF. Photos. Find Photoset; Find Photo; Recent Photosets; Documents. ... Board Footage Calculator. Total: 0 Rows Linear Feet: 0.00 Square Feet: 0.00 Board Feet: 0.00. How nominal is width (0.0 = full width)?: inches. Height (inches)This calculator uses feet and or inches for measurements. Ellipse = squashed circle. Ellipse Area and Perimeter. Length a: ft in: n d: ... the perimeter in lineal feet and inches; the perimeter in decimal inches; ... one square foot ( ft²) = 144 square inches (in²) one square inch (in²) = 0.00694444444444443 square feet (ft²) one square ...To convert an area from square feet to square meters, you can use the conversion factor: 1 square meter ≈ 10.764 square feet. So, 12 feet by 12 feet is approximately equal to: (12 ft × 12 ft) ÷ 10.764 ≈ 13.94 square meters (rounded to two decimal places).MAILING ADDRESS Trestlewood PO Box 1050 Pleasant Grove, UT 84062-1050 Toll Free 877.375.2779 Fax 801.443.4007Next, take the total length of the fence and multiply it by the height (Length X Height). For example - if your fence is a total of 150 Linear Feet (LF) in length and you have a 6 ft. tall fence, the square footage is 900. But wait, there are two sides, so the total square footage of a 150 ft. fence that is 6 ft. tall is 1,800 square feet.Step 4. Add the length measurement of all of the room's walls. Continuing the same example, 8 + 8 + 12 + 12 = 40 linear feet. This figure represents the linear footage of the room. Linear footage is a measurement used in construction to determine length for purchasing construction materials. You can calculate the linear footage of a room by ...How many square feet are there in 1 square yard? There are 9 square feet in 1 square yard. To convert from square yards to square feet, multiply your figure by 9 (or divide by 0.11111111111111) . What is a square foot? The square foot is used as a form of measurement within Canada and the United States. It can be adopted to describe the amount ...Step 3. Convert the inches to feet by dividing the total number of inches by 12. The result is equal to the linear feet of your item. In most instances, the term "foot" refers to a linear foot. A linear foot is equal to 12 inches, or 1 foot. It isn't necessary to convert feet to linear feet because they are one and the same.Acre. Definition: An acre (symbol: ac) is a unit of land area used in the imperial and US customary systems. It is defined as the area of 1 chain (66 feet) by 1 furlong (660 feet), which is exactly equal to 1/640 of a square mile, 43,560 square feet, or exactly 4046.8564224 square meters.Tally Calculator. Easy lineal and board footage tally calculator. Need help calculating how many board feet there are in a 2x4x14' board? ... Do you need to convert square feet to linear feet? You know the square footage for your project now let us help you figure out how much lineal feet you will need. Linear feet to square foot calculator, 2 Jun 2023 ... Fence Genius•29K views · 1:27 · Go to channel · How to Calculate a Linear Foot. U-Pack•374K views · 2:20 · Go to channel · ..., This will give you your total linear footage for multiple items or segments. For example, let's say you need three boards with the following lengths: - Board 1: 6 feet - Board 2: 10 feet - Board 3: 4 feet. Add all of the lengths together (6 + 10 + 4) to calculate the total linear feet: 6 linear feet + 10 linear feet + 4 linear feet = 20 ..., One linear foot is equal to 12 square feet. To calculate the number of square feet in a linear foot, simply multiply the length of the linear foot by 12. For example, if the linear foot is 8 feet, then the number of square feet in that linear foot would be 8×12=96 square feet. How many linear feet is 100 square feet? 100 square feet is ..., Using Linear Feet to Calculate Volume. Imagine you are measuring a room. You calculated that the room’s length is 15 linear feet and its width is 10 linear feet. Multiply 15 linear feet (L) by 10 linear feet (W) and this equals 150 square feet or 15 ft x 10 ft = 150 sq ft. A linear foot is vital for three-dimensional calculations like volume., How many square feet are there in 1 square yard? There are 9 square feet in 1 square yard. To convert from square yards to square feet, multiply your figure by 9 (or divide by 0.11111111111111) . What is a square foot? The square foot is used as a form of measurement within Canada and the United States. It can be adopted to describe the amount ..., Multiply height by width for each area and add to get total square footage not covered with siding. Enter this total square footage here. Steps 2 and 3 have been added together, and Step 4 has been subtracted from this sum. Ten percent (10%) has been added as a safety measure, to cover any waste from trimming and minor miscalculations., Suppose 2x4s sell for $1.50 per linear foot and 1x12 boards sell for $2.25 per linear foot. In this case, you would determine the costs of these materials by multiplying as follows: 2x4 boards: $1.50 x 32 = $48. 1x12 boards: $2.25 x 20 = $45. Be conservative with your purchases., The British Thermal Unit, or BTU, is an energy unit. It is approximately the energy needed to heat one pound of water by 1 degree Fahrenheit. 1 BTU = 1,055 joules, 252 calories, 0.293 watt-hours, or the energy released by burning one match. 1 watt is approximately 3.412 BTU per hour. BTU is often used as a point of reference for comparing ..., depth = 9 inches ÷ 12. depth = 0.75 feet. Next, calculate the volume in cubic feet. cu ft = 12 ft × 14 ft × 0.75 ft. cu ft = 126 cu ft. Finally, convert the volume in cubic feet to cubic yards. cu yds = 126 cu ft ÷ 27. cu yds = 4.67 cu yds. If you are calculating yardage for a concrete or landscaping project, understand that suppliers may ..., Square Feet to Linear Feet Conversion Calculator. Width (inches) Square Feet. Linear Feet 0.00. Width (inches) Square Feet., Feet — they’re not just for walking. For many people, tootsies are downright sexy. A foot fetishist is someone with a sexual interest in feet, toes, and ankles. Here's everything y..., Our sealant estimator chart uses the depth and width of your joint to determine how many linear feet can be extracted from each cartridge or sausage of sealant. Notes. If joint depth exceeds 1/2", backer rod is required. 1 Actual volume of sealant used will depend on factors such as joint design, backer rod placement, tooling and waste at the ..., To convert square feet (ft²) to square meters (m²), you can use the conversion factor of 1 square foot being equal to approximately 0.0929 square meters. This conversion factor is derived from the fact that 1 foot is equivalent to 0.3048 meters, and squaring this value gives us the conversion factor for area., 2. to LF) online calculator. Enter the area in square feet ( sq ft, ft2): If the width of linear feet measured in feet: Enter the width in feet (ft): Length in linear feet (LF) is: 0.00 LF. If …, 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., The idea is to measure and record every inch of the wall's surface in a straight line, from one end to the other, including its bends and edges. Use your calculator to add up each of the measurements obtained in steps 1 and 2. Divide the sum by 12 inches to convert it into feet., The topsoil you want is sold by the cubic foot, so we need to do a conversion and calculation. Convert our depth figure from inches to feet (so that units are the same). There are 12 inches in a foot. 3 ÷ 12 = 0.25 ft. Our topsoil depth is 0.25 ft. Cubic feet = square feet × depth. So: 20 × 0.25 = 5. We have our total:, The calculator will provide the number of acres, as well as the area in other units. To calculate acres by hand, multiply your length and width (in feet) to get square feet. Try our length converter if needed. Then divide by 43,560 to determine the size of the land in acres. Example: Your city house lot is 33′ wide by 102′ long., A single board foot is one square foot of wood that is one inch thick. You can measure board feet by multiplying length x width x thickness in inches, and then dividing by 144. If ordering a large amount by board feet, just multiply the total board feet needed by the price per board foot for the total cost., Length in linear feet (LF) is: 0.00 LF. Linear feet to square feet (LF to SqFt, LF to ft2) online calculator. How many linear feet are in linear feet? Linear feet = Square feet / width of one linear feet. LF = Sq ft / width of one LF. LF is the abbreviation for linear feet. Sq ft is the abbreviation for square feet., Use our paper math calculator to find common paper price and quantity conversions, convert various paper elements, calculate specific weights, and more. ... Linear Foot Price to CWT Price Linear Foot Price(ex. $0.02) $ Roll Width (inches)(ex. 9.5) ... Square Feet to Pounds Total Square Feet(ex. 30,000.00) Type of Paper (ex. Cover ..., Roll Insulation Calculator. Input length and width of area to be insulated. Click the button to calculate the amount of insulation (in square feet) and man-hours (wall and ceiling fiberglass insulation) needed for this job. This calculator is to be used as an estimating tool only., The flooring calculator will automatically add more material to the amount calculated in step 2. Instead of buying 208 208 208 square feet of the material, you will now need 218.4 218.4 218.4 square feet. Find out the cost of laminate flooring per square foot. Let's choose scratch-resistant laminate at $ 2.59 \text{\textdollar}2.59 $ 2.59 per ..., Carpet rolls are usually 12 feet or 15 feet wide and carpeting is often sold by the linear foot. For example, if you purchase linear 20 feet from a roll that is 12 feet wide, you will have 240 square feet of carpet. Likewise, if you buy 450 square feet of carpet from a roll that is 15 feet wide, it is equivalent to buying 30 linear feet., 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., To convert square feet to cubic yards, simply multiply your square footage figure by the height or depth of the area (in feet) to get a volume measurement in cubic feet. Next, divide the total by 27 to get your measurement in cubic yards. Should your height or depth figure be in inches, simply divide it by 12 to get your feet figure (there are ..., The diameter should be measured in feet (ft) for square footage calculations and if needed, converted to inches (in), yards (yd), centimetres (cm), millimetres (mm) and metres (m). The formula: Circumference of a Circle = π x d π = 3.142 d = Diameter (drop down ft, in, yd, cm, mm, m) Abbreviations of unit area: ft 2 , in 2 , yd 2 , cm 2 , mm ..., After you find the square footage of drywall needed, simply divide it by the square footage of the sheet size you will be using to find the number of sheets needed. For example, if your wall surface is 1,000 square feet and you’re using 4′ x 8′ sheets, which have 32 sq ft per sheet, then the number of sheets needed is 1,000 ÷ 32, or 31.25., Linear feet measure length and do not account for width, while square feet measure the area of a space. For instance, a board that is 10 feet long and 1 foot wide covers 10 linear feet but 10 square feet., A square foot = 144 sq. in. Therefore, you divide the number of square inches total by a square foot (144 sq. in.), and you get your total square feet of siding in each panel: 1440 sq. in./144 sq. in. = 10 sq. ft. Sometimes, your exterior wall height will be a few inches taller than the height of accumulated panels., Square Miles: Square Kilometers: If you know the square footage, square mileage, square yards, square meters, or hectares of the area, you can use the formulas below to calculate area to acreage. Acres = square feet ÷ 43,560. Acres = square miles x 640. Acres = square yards ÷ 4,480. Acres = square meters ÷ 4,046.86. Acres = hectares x 2.471., DOE's LCC and PBP analyses generate values used to calculate the effect potential amended energy conservation standards would have on the payback period for consumers. These analyses include, but are not limited to, the 3-year payback period contemplated under the rebuttable-presumption test., When in doubt, account for 15 square feet for windows and 20 square feet for doors. Add together the square footage you calculated for the sides of your home and the additional areas. Subtract the uncovered areas' square footage from the total amount you calculated in step four. Divide this number by 100 to get the number of squares of siding ...