How many yards per square foot

Step 2. Determine how many square feet a cubic yard of loam covers if it is applied 4 inches deep. Divide 27 cubic feet (the number of cubic feet in a cubic yard) by the 0.333 foot depth of loam you plan to use. The result is 81.08 square feet, or approximately 81 square feet. Decide how deep you wish to cover an area with loam.

ft. Depth: in. 3 in. recommended. + Add new area. Calculate. Please note: calculations are estimates only. How much top soil and mulch do you need to meet your landscaping needs? Enter your preferred type of material, the square footage of the space to be covered and mulch depth for accurate results.1 acre = 43,560 square foot 1 square yard = 9 square foot 1 square meter = 10.76 square foot 1 square inch = 0.00064516 square foot Calculating Cost Per Square Foot. When painting a house, installing flooring, or building a home, the square footage of the property is often used to determine the cost or materials to be used. Painting a house:Convert the height H into feet to get H ft. Multiply H ft with 7.48052 to get gallons per square foot G = H ft × 7.48052. Divide the volume of 20 US gal by the gallons per square foot G to convert it to square feet, 20/G ft2. Verify your result using our gallons per square foot calculator.As there are 12 inches in a foot, we divide our depth figure by 12 to get 0.5 feet. This means our measurements are: Width: 6 feet; Length: 12 feet; Depth: 0.5 feet; To calculate cubic yards, we multiply 6 × 12 × 0.5 to get a total of 36 cubic feet. We then divide by 27 to get 1.33 cubic yards. How to convert square feet to cubic yardsTherefore, there are 9 square feet in one square yard. The area of a square is determined when the side is multiplied by itself and one yard is equivalent to 3 feet. Therefore, 3 x 3 = 9 square feet in a square yard. For example, how many square feet are in 20 square yards? We simply multiplied the value in square yards (20) by the conversion ...Square Feet x Plants Needed Per Square Foot = Total Number of Plants Needed 75 x 4 (From Chart Below) = 300 Plants Needed These calculations demonstrate that 300 plants will be needed to cover a 5 ft x 15 ft. area with plants spaced at 6 inch centers.Compost is sometimes sold by the cubic yard, which is a three-dimensional cube measuring 3 feet long by three feet tall. How many yards of compost you’ll need for your garden project will depend on the size of the area you need to compost and how deep you’ll be adding compost. square feet x inches of compost x 0.0031 = # of cubic yards …

The procedure for converting square inches to square feet or from acres to sq ft is the same as converting from square meters to square feet. In the following examples, you will find the most common of these conversions: how many square feet are in an acre. 1 acre × 43 560 sq ft/acre = 43 560 sq ft; 30 sq in × 0.00694 sq ft/sqin = 0.208333 sq ftThe average price per square foot of a house is calculated by taking the current market value of the house and dividing it by the total square footage. The average price per square foot of a single-family house in the U.S. is $122 per square foot of floor space, according to Statistica . It goes without saying that the average price per square ...It is all brand new asphalt and flat it is about 63,894 Sq Yards with not very many islands. My figures are: Plow 1-3=4875.00 3.1-5 = 7312 5.1-8 = 9871 Salt = 15 tons per application Does this sound right? It works out to be .5lbs per sq yard of salt and from 7 cents to 15 cents a sq yard for plowing. Any advice would be greatly appreciated ...Landscaping costs $4 to $12 per square foot for basic services. Small landscaping projects cost $300 to $800 while large jobs cost $2,000 to $4,000 on average. Landscaping costs; ... Yard grading: $0.40 - $2.00 per square foot : Landscaping maintenance: $100 - $200 per month : Lawn care: $30 - $80 per hour : Lawn mowing: $30 - $85 per ...In Scientific Notation. 125 square yards. = 1.25 x 10 2 square yards. = 1.125 x 10 3 square feet.Convert area to square yards. 6,000 sq ft / 9 = 666.7 square yards. Multiply Area x Thickness. 666.7 sq yds x 0.33 ft (4 inches) = 220 cubic feet. Apply Density. 220 cf x 145 pcf = 31,900 pounds. Convert pounds to tons. 31,900 lbs / 2,000 lbs/ton = 15.95 tons.A square foot is a unit of area. It is the size of a square that is one foot on a side. It is 144 square inches, 1/9 th of a square yard, or approximately 0.093 square meters.

In Scientific Notation. 360 square feet. = 3.6 x 10 2 square feet. = 4 x 10 1 square yards.In Scientific Notation. 160 square feet. = 1.6 x 10 2 square feet. ≈ 1.77778 x 10 1 square yards.Below is the number of square feet a yard of concrete will cover at various slab thicknesses: 4 inches = 81 sq. ft. 5 inches = 65 sq. ft. 6 inches = 54 sq. ft. 8 inches = 41 sq. ft. Calculate the square foot coverage. Using the information above, it’s easy to figure out how much concrete you’ll need to place a slab of a certain size.8.4375. 1 / 32. 0.28125. 1 / 64. 0.14063. How many square feet are in a square yard? Use this easy and mobile-friendly calculator to convert between square yards and square feet. Just type the number of square yards into the box and hit the Calculate button.

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The following calculator helps estimate the amount of gravel needed to cover an area based on the density and desired depth of the gravel. It also estimates the cost of purchasing a given amount of gravel. Gravel is a loose mixture of rock fragments formed as a result of erosion. Gravel, along with other types of rock fragments such as sand and ...If your width and length are not measured in feet convert measurements into feet. For inches divide by 12. For yards multiply by 3. For centimeters multiply by 0.03281. For meters multiply by 3.281. Finally, multiply Length (ft) x Width (ft) = Square Footage.If you're laying the sod yourself, then you should budget for $0.30 to $0.85 per square foot, ... If you hire a pro to install it, you're looking at $1 to $2 per square foot. Yard Shape.Cubic yards = [sq feet × height in ft] ÷ 27. How to calculate cubic yards. Calculate the square feet of the area: Width × length. Calculate the volume: Multiply your area figure by the depth/height. This gives you …If you remember that 1 yard is equal to 3 feet, it should come as no surprise that one square yard is equal to 3 feet × 3 feet, or 9 ft 2. So to convert from square feet to square yards, divide by 9. Example: Imagine you have a lawn that measures 117 ft 2, but you want to know how big it is in square yards: 117 ft 2 ÷ 9 ft 2 /yd 2 = 13 yd 2.There are 200 square yards in 1,800 square feet. a square yard is 1 yard xx 1 yard. Therefore in a square yard there is: 3 feet xx 3 feet = 9 squar e feet So we can write: 1 sq yd is to 9 sq ft as x sq yds is to 1,800 sq ft or 1/9 = x/1800 1800 * 1/9 = 1800 * x/1800 1800/9 = cancel(1800) * x/cancel(1800) 200 = x

More information from the unit converter. How many sq ft in 1 yard? The answer is 9. We assume you are converting between square foot and yard.You can view more details on each measurement unit: sq ft or yard The SI derived unit for area is the square meter. 1 square meter is equal to 10.76391041671 sq ft, or 1.1959900463011 yard. Note that rounding errors may occur, so always check the results.When measuring for your new carpet, a carpet calculator is a helpful tool both for determining your needed square feet and estimating what the material will cost. Our carpet measuring calculator is a simple tool to help you estimate the carpet footage you need at the right price. ... Price per sq ft. Carpet Price Per Square Foot. Less Than $2. ...In order to determine how many heads you can use per zone, you need to know your water pressure and flow rate. At different pressures, the sprinkler head and nozzle will consume different amounts of water. For example, at 35 pounds per square inch (PSI) the 5000 Series Rotor using the 3.0 nozzle will use 3.11 gallons per minute (GPM).To determine the price per square foot, you can divide the total cost of the house ($300,000) by its total square footage (2,500 sq ft). price per square foot = $300,000 2,500 sq ft = $120/sq ft. Thus, the house costs $120 per square foot. When using this method with packaged materials, such as the bundle of roofing, you would use the same formula.The square footage in this example is 20′ times 40′, which equals 800 square feet. Next, divide this into how much asphalt we need per square foot. 800 divided by 26.66 equals 30 tons of asphalt. At $100 to $200 per ton for hot-mix asphalt, the asphalt will cost $3,000 to $6,000.8.4375. 1 / 32. 0.28125. 1 / 64. 0.14063. How many square feet are in a square yard? Use this easy and mobile-friendly calculator to convert between square yards and square feet. Just type the number of square yards into the box and hit the Calculate button.1 Square foot (sq ft) is equal to 0.111111 square yard (sq yd). To convert square feet to square yards, multiply the square foot value by 0.111111 or divide by 9. For example, to find out how many square yards there are in 1500 sq feet, multiply 1500 by 0.111111, that makes 166.666667 sq yards in 1500 sq feet.36. 45. It takes quite a few bags of concrete to equal a cubic yard. The number of bags you'll need will vary depending on the weight of the bag. 90 Bags of 40 lb concrete make a yard of concrete. 75 Bags of 50 lb concrete make a yard or concrete. 60 Bags of 60 lb concrete make a yard or concrete.In case your length and width are measured in feet, and you need to get your answer in square yards, the easiest way to do so is to first convert them to yards and then multiply them: Every 3 ft is equal to 1 yd, so a length of 18 ft, for example, would be equal to 6 yds (18/3 = 6). And that’s basically how the first part of this square yard calculator works.Many are a standard 4-by-4-foot square per plot, but these can be constructed in whatever format best suits you. I recommend consulting Mel Bartholomew's book for guidance - it includes plans and tips for getting started. 0. ... I live in a fairly dense urban neighbourhood and have only a 2'x10′ gardening spot in my back"yard" area ...

For example, if you’re looking for the cubic yards of a 120 square feet room with 8-foot ceilings, multiple 120 x 8. The result is 960 cubic feet. 960 ÷ 27 = 35.56 cubic yards

More information from the unit converter. How many yards in 1 square feet? The answer is 0.11111111111111. We assume you are converting between yard and square foot.You can view more details on each measurement unit: yards or square feet The SI derived unit for area is the square meter. 1 square meter is equal to 1.1959900463011 yards, or 10.76391041671 square feet.In Scientific Notation. 4 square yards. = 4 x 10 0 square yards. = 3.6 x 10 1 square feet.Calculate the square footage. Enter the square footage or acreage. Area 1. Length: Feet. Feet. Width: Feet. Feet. 0 sq ft. Add an Area. Total Area: 0 total sq ft. Select a Growing Zone. Select Your Growing Zone ... knowing you have the right grass and grass seed for your area instantly increases the chances of growing a lush yard. It's also ...To calculate price per square foot, just replace the word "per" with a division sign. So if you're looking at a $400,000 house that measures 2,000 square feet, the math looks like this ...More information from the unit converter. How many yard in 1 sq. feet? The answer is 0.11111155601941. We assume you are converting between yard and square foot [survey].You can view more details on each measurement unit: yard or sq. feet The SI derived unit for area is the square meter. 1 square meter is equal to 1.1959900463011 yard, or 10.763867316305 sq. feet. Note that rounding errors may ...How Many Yards in a Foot? There are 0.3333333 (or 1/3) yards in 1 foot. This is because 1 yard is defined as 3 feet. So to convert from feet to yards, you divide the number of feet by 3.In Scientific Notation. 765 square feet. = 7.65 x 10 2 square feet. = 8.5 x 10 1 square yards.On average, the cost to hydroseed a ½ acre runs between $1,000 to $2,000. How much does it cost to hydroseed 1/4 acre? Expect to pay between $500 and $1,000 to hydroseed a ¼ acre. How much does hydroseeding cost per square foot? On average, hydroseeding costs per square foot run from $0.06 to $0.20. What is the cost of hydroseeding a lawn?A square foot is a unit of area. It is the size of a square that is one foot on a side. It is 144 square inches, 1/9 th of a square yard, or approximately 0.093 square meters.

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Concrete is measured in cubic yards. 1 cubic yard of concrete is 3 feet wide by 3 feet high by 3 feet deep. (3' x 3' x 3') There are 27 cubic feet in one cubic yard. A cubic foot measures 12 inches wide x 12 inches high by 12 inches deep. When you calculate yardage for your concrete slab, patio, floor, or driveway, you do it depending on how ...How to Convert Yard to Foot. 1 yd = 3 ft 1 ft = 0.3333333333 yd. Example: convert 15 yd to ft: 15 yd = 15 × 3 ft = 45 ft. Popular Length Unit ConversionsDon't forget to use the same units and remember that 1 cubic yard = 0.76 m³. ... Verify with your supplier the cost of the material – per weight or per volume. Use our calculator to get the total cost of your road base. 0. Coverage. Road length. Road width. Road depth. Road area. Road base volume. 0.Square Yards Conversion: Square Yards x 9 = Square Feet, Square Feet / 9 = SQ/YD. Tons Per Cubic Yard to Lbs Per Ft3: Tons/CY x 2000 Total Pounds; Pounds ...0.88′ × 0.88′ × 2′ depth = 1.55 cubic feet. Subtract the post volume from the hole volume: 1.55 - 0.17 = 1.38 cubic feet per post hole. Multiply times the total number of posts: 1.38 × 20 posts = 27.6 cubic feet. Add 10% for waste = 30.36 cubic feet Divide by 27 to get the number of cubic yards - 1.12 cubic yards of concrete needed.In Scientific Notation. 150 square yards. = 1.5 x 10 2 square yards. = 1.35 x 10 3 square feet.0.444 cubic yards (12 ft 3) Concrete needed. 0.80 tons (1,596 lbs) Concrete needed (bags) 19.95 bags of 80 lbs each, or 26.59 bags of 60 lbs each, or 39.89 bags of 40 lbs each. get code. Quick navigation: Essential concrete basics for using a concrete calculator. Calculating how much concrete you need.One bale of straw is enough to cover approximately 80-100 square feet of area with a 3-inch depth. This is for the straw bale from Lowe's, which is listed as 20 cubic ft compressed volume. Again, some straw bale can cover around 50-45 sq. ft area with 3 inches depth. And this calculation applies to the pine straw.Concrete slab cost. A concrete slab costs $6 to $12 per square foot on average installed, or $5,400 to $10,800 to pour a 30'x30' slab. Concrete materials cost $3 to $7 per square foot. Most concrete slabs are 4" to 6" thick and are used to build a garage floor, patio, or house foundation.For a 6-inch thick slab (which is 0.5 of a foot), one square foot of concrete would weigh approximately 75 pounds (150 pounds/cubic foot x 0.5 feet = 75 pounds). These estimates are based on the average weight of concrete (150 pounds per cubic foot) and may vary depending on the specific ready-mixed concrete used.There is no way to directly convert cubic yards to square yards. They are different types of units; cubic yards are a measure of volume, whereas square yards are a measure of area.... ….

The area of the driveway is 1,080 square feet (60-feet x 18-feet). According to the table above, one cubic yard of concrete placed at a thickness of 5-inches covers 65 square feet. In a perfect universe, our 1,080 square foot driveway will need exactly 16.62 cubic yards of concrete (1,080 square feet / 65 square feet equals 16.62 cubic yards).A square yard is calculated as the area of a square that has 1 yard on each side. Conversion Formula. Let's take a closer look at the conversion formula so that you can …In Scientific Notation. 70 square yards. = 7 x 10 1 square yards. = 6.3 x 10 2 square feet.It is 9.29 sq m. To get this answer, compute the area in sq ft as 10 × 10 = 100 sq ft and recall that 1 sq ft = 0.0929 sq m. Therefore, 100 sq ft = 9.29 sq m. Utilize …How to Convert Foot to Yard. 1 ft = 0.3333333333 yd. 1 yd = 3 ft. Example: convert 15 ft to yd: 15 ft = 15 × 0.3333333333 yd = 5 yd.A square foot is a unit of area. It is the size of a square that is one foot on a side. It is 144 square inches, 1/9 th of a square yard, or approximately 0.093 square meters.Choose Round Column (or Round Slab) on the calculator. Enter Height 4 ft (or 48 in) Enter Diameter 10 in. Calculate and the answer is 0.08 cubic yards for one concrete tube. Multiply 0.08 x 50 = 4 total cubic yards of concrete for 50 tubes. Note that this calculation is the volume of your tubes only and does not account for any overflow or loss ...How big is 330 square feet? What is 330 square feet in square yards? This simple calculator will allow you to easily convert 330 sq ft to sq yd. ... A square yard is a unit of area equal to the size of a square that is one yard on a side. It is equal to 9 square feet or about 0.836 square meters. Common abbreviations: sq yd, yd², yd^2 ...In case your length and width are measured in feet, and you need to get your answer in square yards, the easiest way to do so is to first convert them to yards and then multiply them: Every 3 ft is equal to 1 yd, so a length of 18 ft, for example, would be equal to 6 yds (18/3 = 6). And that’s basically how the first part of this square yard ...20 square feet – 12″ deep. One Cubic Yard of Soil or Wood Mulch Covers: 300 square feet – 1″ deep. 150 square feet – 2″ deep. 100 square feet – 3″ deep. 75 square feet – 4″ deep. 50 square feet – 6″ deep. 25 square feet -12″ deep. *Please note conversions are approximate for categories listed. How many yards per square foot, Oct 7, 2023 · Choose Round Column (or Round Slab) on the calculator. Enter Height 4 ft (or 48 in) Enter Diameter 10 in. Calculate and the answer is 0.08 cubic yards for one concrete tube. Multiply 0.08 x 50 = 4 total cubic yards of concrete for 50 tubes. Note that this calculation is the volume of your tubes only and does not account for any overflow or loss ... , Concrete Weight per Cubic Foot • A solid slab of concrete weighs 150 pounds per cubic foot. • A cubic foot of broken concrete weighs 75 pounds. Concrete Weight per Cubic Yard • A solid slab of concrete weighs 4,050 pounds per cubic yard. • A cubic yard of broken up concrete weighs 2,025 pounds., In Scientific Notation. 1,300 square feet. = 1.3 x 10 3 square feet. ≈ 1.44444 x 10 2 square yards., 1 Square foot (sq ft) is equal to 0.111111 square yard (sq yd). To convert square feet to square yards, multiply the square foot value by 0.111111 or divide by 9. For example, to find out how many square yards there are in 1500 sq feet, multiply 1500 by 0.111111, that makes 166.666667 sq yards in 1500 sq feet., In Scientific Notation. 700 square feet. = 7 x 10 2 square feet. ≈ 7.77778 x 10 1 square yards., 1 yard = 3 feet = 36 inches. For the rest of the world on the metric system, convert to inches before starting. ... Take the total length you need and divide by 36 to calculate how many yards you need. Most of our fabric is sold in full yard increments, so round up to the nearest yard. ... before dividing by 36, add one vertical repeat per ..., This user-friendly tool provides accurate calculations for your concrete needs. Easily determine concrete volume in cubic yards, cubic meters, and cubic feet. Find the weight of concrete required in lbs and kg, as well as the number of 60-lb and 80-lb bags needed. Simplify your construction projects with our comprehensive concrete calculator., 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 ..., Our Square POS review shows Square is the top POS system for small businesses. It’s free and easy to use, but has some limitations. Retail | Editorial Review Updated April 25, 2023..., To calculate this, you need to get cubic yards out of your square feet. Simply divide your square feet by 324. That’s because at one inch deep, every cubic yard of mulch covers a 324-square-foot area. But don’t forget to multiply your square footage by the desired depth in inches first!, In Scientific Notation. 252 square feet. = 2.52 x 10 2 square feet. = 2.8 x 10 1 square yards., Most gravel weighs 1.4 to 1.7 tons per cubic yard. See below for more common material densities. For example, let's find the amount of gravel needed for a space that is 10 feet long, 10 feet wide, and 1 foot deep. volume = length × width × depth. volume = 10′ × 10′ × 1′ = 100 cu ft. cu yds = 100 cu ft / 27 = 3.7. weight = cu yds × ..., One acre is 43,560 square feet. Divide that by 1,000, which equals 43.56. Next, multiply the amount of grass seed needed in pounds by 43.56. For example, if you are going to use Kentucky Bluegrass to overseed your lawn, you will need two pounds per 1,000 square feet. 2 times 43.56 is 87.12., How many square feet does a gallon of paint cover? The paint coverage per gallon of paint is about 360 square feet, according to our paint coverage calculator. How much paint do I need for 2,000 square feet? 5.5 gallons of paint should be sufficient to cover 2,000 square feet, according to our paint calculation formula., Compost is sometimes sold by the cubic yard, which is a three-dimensional cube measuring 3 feet long by three feet tall. How many yards of compost you’ll need for your garden project will depend on the size of the area you need to compost and how deep you’ll be adding compost. square feet x inches of compost x 0.0031 = # of cubic yards …, In Scientific Notation. 6 square yards. = 6 x 10 0 square yards. = 5.4 x 10 1 square feet., How many yard in 1 linear feet? The answer is 0.33333333333333. We assume you are converting between yard and linear foot . You can view more details on each measurement unit: yard or linear feet The SI base unit for length is the metre. 1 metre is equal to 1.0936132983377 yard, or 3.2808398950131 linear feet., 1 oz = 28.3495231 grams ( oz to grams converter) 1 yard = 0.9144 meters ( yards to meters converter) 1 yard squared = 0.9144 m x 0.9144 m = 0.83612736 meters squared ( convert square meters to square yards) Therefore. 1 oz/yd² = 28.3495231g/.83612736 m² = 33.90574744 g/m2. Rounded up to three decimal places it is 33.906., The symbol for square yard is yd 2 or sq yd. There are 0.11111111 square yards in a square foot. A square yard is calculated as the area of a square that has 1 yard on each side. What is a square foot (ft 2)? A square foot is a unit of area in both US Customary Units as well as the Imperial System. The symbol for square foot is ft 2 or sq ft ..., The most common pattern used is a linear grid, with square or rectangular tiles, or a pattern involving angled squares or rectangles that form a typical diamond shape. Running bond layouts (like those used with brick walls) involve offset rows or columns of tiles, usually with a 2:1 length to edge ratio., Compost is sometimes sold by the cubic yard, which is a three-dimensional cube measuring 3 feet long by three feet tall. How many yards of compost you’ll need for your garden project will depend on the size of the area you need to compost and how deep you’ll be adding compost. square feet x inches of compost x 0.0031 = # of cubic yards …, To figure out how many cubic yards of mulch you need, divide 500 by the 10 square feet per bag: 500 ÷ 10 = 50 bags. Then multiply the number of bags times 2 (the amount of mulch in a cubic foot) to get the total number of cubic feet needed. 50 x 2 = 100 cubic feet. Next, divide that result by 27 (the amount of cubic feet in a cubic yard) to ..., A square foot is a unit of area. It is the size of a square that is one foot on a side. It is 144 square inches, 1/9 th of a square yard, or approximately 0.093 square meters., To figure out how many cubic yards of mulch you need, divide 500 by the 10 square feet per bag: 500 ÷ 10 = 50 bags. Then multiply the number of bags times 2 (the amount of mulch in a cubic foot) to get the total number of cubic feet needed. 50 x 2 = 100 cubic feet. Next, divide that result by 27 (the amount of cubic feet in a cubic yard) to ..., Warp shrinkage will depend on your yarn, and warp take-up will depend on your picks per inch (PPI). If you're not sure, 10-15% is a good rule of thumb. Finding Your EPI/Sett. To use this calculator, you will need to know your warp sett, or EPI. We have a helpful blog post to help with this, Calculating WPI, EPI, and Sett. Picks Per Inch, If you need to figure out how many tons to buy, multiply your cubic yards by the weight in tons of the material. Some common landscape rock materials weigh as follows: Sand 1.10 – 1.25 tons (2,200 – 2,500 lb.) per cubic yard. Landscape Gravels 1.20 – 1.35 tons (2,400 – 2,700 lb.) per cubic yard. Washed Gravel 1.35 tons (2,700 lb.) per ..., garycinchicago. I cubic yard of compost spreads out over 1000 sq. ft. to a thickness of 1/4 to 1/3 of an inch. Top dressing with 1", you run the risk of smothering your grass. PS - Spreading 3 cubic yards over 3000 sq.ft. to 1/4 - 1/3 is enough to kill a man!, A square foot is a unit of area. It is the size of a square that is one foot on a side. It is 144 square inches, 1/9 th of a square yard, or approximately 0.093 square meters., , In Scientific Notation. 126 square yards. = 1.26 x 10 2 square yards. = 1.134 x 10 3 square feet., Calculate. swap units ↺. 1 Square Yard = 9 Square Feet. exact result. Decimal places. Square Yards. A square yard is a unit of area equal to the size of a square that is one …, To determine the price per square foot, you can divide the total cost of the house ($300,000) by its total square footage (2,500 sq ft). price per square foot = $300,000 2,500 sq ft = $120/sq ft. Thus, the house costs $120 per square foot. When using this method with packaged materials, such as the bundle of roofing, you would use the same formula., pre-mix 50 lb bags: $4 - $8 per bag. pre-mix 60 lb bags: $4 - $14 per bag. pre-mix 80 lb bags: $8 - $15 per bag. The average cost to install a concrete slab is $6 - $20 per square foot. Besides the cost of concrete and materials, there are also labor costs for preparing the area, the pour, and finishing.