How to get cubic yards from square feet

Generally speaking, one cubic yard of mulch covers an area of 324 square feet. Those numbers apply if you want your mulch to be 2 inches deep. Simply put, to calculate how much mulch you need to cover a yard: multiply the desired square footage area by the desired depth in inches and divide the result by 324.

How to get cubic yards from square feet. So for example, if the height of your 1700 square feet area is 1 inch, then this is how you would calculate 1700 square feet to cubic yards using our formula: (ft² × (height ÷ 12)) ÷ 27 = yds³. (1700 × (1 ÷ 12)) ÷ 27 ≈ 5.247. 1700 square feet ≈ 5.247 cubic yards. Below is a list of 1700 square feet converted to cubic yards using our ...

So, we now simply need to multiply the area measurement we calculated in step 1 (720 square feet) by the third measurement (.5 ft), to calculate that our driveway pad will use 360 cubic feet of concrete (720 x .5 = 360 cubic feet). But as we mentioned before, concrete as ordered from a readi-mix company is sold by the cubic yard, not cubic feet.

With the Lowe's Mulch and Soil Calculator, figuring out exactly how much you need for the allotted space is easy. We'll also help you understand the benefits to each, so you get the right product for your project. Whether you're looking for something that reduces weed growth, helps with erosion, insulates the soil, enhances curb appeal or ...Definition: A cubic yard (symbol: yd 3) is an imperial and United States Customary unit of volume defined as the volume of a cube with measurements 1 yd × 1 yd × 1 yd. It is equal to 27 cubic feet, 0.7645549 cubic meters, and 764.5549 liters. History/origin: The cubic yard is based on the international yard, which was adopted in the 1950s and ...And so, the formula for 1 cu. ft. is: 1 ft. x 1 ft. x 1 ft. = 1 cu. ft. Above are just the basic dimensions of a cubic yard. However, people typically apply their mulch at a thickness of 2 inches (in.) only and so it can cover an area of around 162 square feet (sq.ft.).Area = (length of base x length of height) x .5. If you need help calculating the area, please call us- we are glad to help. Once you calculate your area, please contact us for pricing. Determine approximately how many square feet you need to apply loam to. Measure the length and width of the area, then multiply together to determine the total ...To calculate cubic yards all you have to know is the length, width and depth. If you have these three then by using the formula you can get the cubic yard. The formula for cubic yard is. length × width × height. 27. If the units are not into feet then first we have to convert all the units into feet and then apply the Cubic yard formula.9 square feet = 1 square yard. square feet / 9 = square yards. Now, we can use the conversion that there are nine square feet in one square yard to figure out the amount of flooring we need for ...Symbol (Abbreviation) Sq. ft, ft2. yd2, sq. yd. Relationship. 1 square feet is equivalent to 0.111111 square yard. 1 square yard is equivalent to 9 square foot. Formula of Conversion. square yards = square feet ÷ 9 Hence, an area in square yards is equivalent to the square feet which is divided by 9.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.

Imagine I am going to fill an area measuring 5 feet by 3 feet using standard sand. I want equal coverage to a thickness of 2 inches . The sand’s density is 100 lb/ft³ and costs $10 per ton.A cubic yard of gravel can weigh between 2,400 lbs (1,089 kg) to 2,900 lbs (1,315 kg). Or you can approximate it up to one and a half tons. ... One ton of gravel can cover an area of approximately 100 square feet, 2 inches deep. However, note that the final area will depend on the size of the stone, the thickness of the layer, and how to level ...Multiply square footage by height: Express answer in cubic feet. You must purchase at least of soil to fill your garden. 3. Convert cubic feet back into square footage by dividing the height from the cubic footage. Since it is such a simple conversion to get to square footage, it is simple to undo.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. Use this page to learn how to convert between square feet and yards.Determine the width and length. Length can also be height. 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.This video explains how to determine the volume of a right rectangular prism in cubic feet and convert the volume to cubic yards.http://mathispower4u.comThe number of cubic yards of dirt, D, needed to cover a gatden with area a square feet is given by D =g(a). a. A garden with area 5000ft2 requires 50 cubic yards of dirt. Express this information in terms of the function g. b. Explain the meaning of the statement g(100)=1.

Across the US, homeowners report that ready - mix concrete costs $98-99 per cubic yard.. The average cost of a concrete slab (6 inches thick) is $5.00-5.50 per square foot, including materials and labor.. However, the price can go up to $9-10 per square foot depending on numerous factors and enhancement costs.. Thus, your cost to pave a 2-car driveway of 16 feet wide, and 40 feet long (640 ...showing students how to figure out square and cubic measurements.Step 1: Find the Surface Area in Square Feet. Any two-dimensional space can have its surface area measured simply by multiplying the length by the width. So, for example, if a …This unit, if mentioned in feet. is unit as cubic feet. A Cubic foot is one of the units in which we can measure the volume of a 3 dimensional object. We know that volume is a three-dimensional quantity. It is the amount of capacity/space a substance contains, or the space it can hold. How is volume measured in the various metrics? Let us find out.

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So for example, if the height of your 324 square feet area is 1 inch, then this is how you would calculate 324 square feet to cubic yards using our formula: (ft² × (height ÷ 12)) ÷ 27 = yds³. (324 × (1 ÷ 12)) ÷ 27 ≈ 1.000. 324 square feet ≈ 1.000 cubic yards. Below is a list of 324 square feet converted to cubic yards using our ...In the given examples below you see if you want to convert 250 cubic feet to square feet, first find the height as we calculated which is 6.30 feet. once we find the height length just divide the whole volume by the height length and you get the square feet area. here if we divide 250 by 6.30 we get approximately 39.68 sq ft area.Yards of gravel calculation formula :- multiply the length by the width to determine square footage. Convert the thickness from inches to feet. Multiply the thickness in feet by the square footage to determine cubic feet. Convert cubic feet to cubic yards by multiplying by 0.037. This is gravel calculation formula.To learn more about cubic yards, visit our cubic yard calculator. Sometimes, you'll know how many slabs you need. Other times, you'll just know the area that needs to be paved - feel free to provide any of these values. In our example, we are paving 36 square feet. Once we have the above measurements, we can get to the essence of the …

Tiny homes are often marketed as a way to afford your own home if you’ve been priced out of the market—but is that true? Tiny houses—typically defined as any primary dwelling under...Yards of gravel calculation formula :- multiply the length by the width to determine square footage. Convert the thickness from inches to feet. Multiply the thickness in feet by the square footage to determine cubic feet. Convert cubic feet to cubic yards by multiplying by 0.037. This is gravel calculation formula.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.The 300-page shopper's guide is one of the world’s most-distributed books. Earlier this month, IKEA arrived in India with a 400,000 square feet store, 7,500 products, and big expan...In that case, you can use Heron's formula to determine the triangle's area: A = √[ s(s−a)(s−b)(s−c) ] Here, s is the semiperimeter, which is half of the triangle's perimeter. Base and height. Three sides (SSS) Two sides + angle between (SAS) Two angles + side between (ASA) ft. Easily calculate the square footage of a triangle with our ...Otherwise, simply type your dimensions of the stone into the calculator. Our bulk material calculator is a powerful tool that will help you calculate the volume of stone required. In addition, if you know the density of the stone and cost per unit mass/volume, then you can also calculate the total cost. Coupled with a little preparation, this ...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) .Calculate your area. Calculate your volume: Multiply area times the depth to get volume in cubic feet. Calculate your cubic yards: Divide cubic feet by 27 to convert to cubic yards and this is your answer. Where ft 2 = square foot, ft 3 = cubic foot, yd 3 = cubic yard.

So for example, if the height of your 4000 square feet area is 1 inch, then this is how you would calculate 4000 square feet to cubic yards using our formula: (ft² × (height ÷ 12)) ÷ 27 = yds³. (4000 × (1 ÷ 12)) ÷ 27 ≈ 12.346. 4000 square feet ≈ 12.346 cubic yards. Below is a list of 4000 square feet converted to cubic yards using ...

This video explains how to determine the volume of a right rectangular prism in cubic feet and convert the volume to cubic yards.http://mathispower4u.comMulch is typically sold in bags of 50 L or 2 cubic feet. To cover a 200 sq. ft. garden with mulch 4 inches deep, you would need about 38 50 L bags of mulch, or 34 2cu ft bags. Be sure to consider the area of the garden bed that will be taken up by plants, and subtract that from your calculation.The basic formula for calculating cubic feet is: cubic feet = length x width x height Using this formula, you can calculate cubic feet. For example, if a box has a length of 6.25 feet, a width of 1.92 feet and a height of 2.25 feet, you can multiply those dimensions together to learn the exact cubic footage of the object: 6.25 feet x 1.92 feet ...One cubic yard is equivalent to 27 cubic feet. This conversion is based on the fact that one yard is equal to 3 feet, with the three-dimensional cubic yard volume therefore being equal to 3 x 3 x 3 = 27. You might find yourself embarking on a project in your house garden involving concrete, gravel, rock, mulch or other materials and … 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 yards. To convert square feet to cubic yards, simply multiply your square footage figure by the height/depth in feet. This gives you a result in cubic feet. Divide your result by ... Fill 12 square feet with custom aggregate; For the second example, let's now say that I have an area of 12 ft² that I want to fill with an aggregate material. The base is to a depth of 4 inches. I will use a custom material of unknown density which weighs 200 lb per four cubic feet and costs $60 per US short ton.Since one square yard is equal to 9 square feet, you can use this simple formula to convert: square yards = square feet ÷ 9. The area in square yards is equal to the area in square feet divided by 9. For example, here's how to convert 5 square feet to square yards using the formula above. square yards = (5 sq ft ÷ 9) = 0.555556 sq yd.Since mulch is sold by the cubic yard, and one cubic yard covers an inch-deep area of 324 square feet, multiply the area of your bed by the desired depth and divide by 324. Mathematically, this equation is represented as: (Square footage x desired depth) / 324. It’s also important to note that the recommended depth is 2 to 4 inches.

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How many cubic yards are in 72 cubic feet? 72 cu ft to cu yds conversion. Amount. From. To Calculate. swap units ↺. 72 Cubic Feet ≈. 2.6666667 Cubic Yards. result rounded. Decimal places. Result in Plain English. 72 cubic feet is equal to exactly 2 and a 2 ⁄ 3 cubic yards. Result as a Fraction ...If the volume is rectangular or cubic in shape, multiply the length times the width times the height in feet (l × w × h) to get the volume in cubic feet. Finally, convert the cubic feet measurement to cubic yards by dividing the result by 27, since cubic yards are equal to cubic feet ÷ 27. When in doubt, use a conversion calculator for this ...Length X width X depth will give you the volume of the whole area. If you use feet, divide by 27 to convert to cubic yards. To find the volume of the sloped area use the formula: the square of c = the square of a + the square of b (where c is the length of the slope, a is the depth. Solve for b. Then use (40 + 80) X (a X b)divided by 27.Calculate Crushed Coquina Small Shells White. Type in inches and feet of your project and calculate the estimated amount of Sand / Screenings in cubic yards, cubic feet and Tons, that your need for your project. The Density of Crushed Coquina Small Shells White: 2,410 lb/yd³ or 1.21 t/yd³ or 0.8 yd³/t. Type in your numbers. A: Depth. inches. B:To calculate cubic yards all you have to know is the length, width and depth. If you have these three then by using the formula you can get the cubic yard. The formula for cubic yard is. length × width × height. 27. If the units are not into feet then first we have to convert all the units into feet and then apply the Cubic yard formula. Conversion between cubic feet and square yard. Note: Fill in one box to get results in the other box by clicking "Calculate" button. Data should be separated in coma (,), space ( ), tab, or in separated lines. Divide this number by 9 to get square yards. Sod is sold by piece and by square yard (which is 2.25 pieces). SQUARE FEET / 9 = SQUARE YARDS. SOIL. If you ...Result in Plain English. 16 cubic yards is equal to exactly 432 cubic feet. In Scientific Notation. 16 cubic yards. = 1.6 x 10 1 cubic yards. = 4.32 x 10 2 cubic feet.Multiply all quantities: \small\qquad 1\ \text {yd}^3 = 27\ \text {ft}^3 1 yd3 = 27 ft3. So the conversion factor from cubic yards to cubic feet is \small 27 27, and it is \small 1/27 1/27 if you're converting from cubic feet to cubic yards. Check out our ratio calculator for information on ratios and how to apply this number in your calculations!More information from the unit converter. How many yard in 1 cubic yard? The answer is 1. We assume you are converting between yard and cubic yard.You can view more details on each measurement unit: yard or cubic yard The SI derived unit for volume is the cubic meter. 1 cubic meter is equal to 1.307950613786 yard, or 1.307950613786 cubic yard. …Finish your calculation by multiplying the result from Step 2 by π. The result is the volume of your sphere in cubic feet. To conclude the example, it works out to: \pi \times 85.33\text { feet}^3=267.94\text { feet}^3 π ×85.33 feet3 = 267.94 feet3. Cite this Article. ….

Home. Construction Calculators. Measurement. Cubic Yard Calculator. Enter the length, width, and depth, or area and depth of the space below to calculate volume in cubic yards. Estimate the price of the material by …More information from the unit converter. How many yard 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: yard or square feet The SI derived unit for area is the square meter. 1 square meter is equal to 1.1959900463011 yard, or 10.76391041671 square feet.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) .Sep 6, 2023 ... By using the formula Square Foot Calculation × Depth ÷ 27, you can determine the volume of material needed for your project. Whether you're ...A cubic yard block of limestone weighs approximately 2.0 US tons or roughly around 4,000 pounds. ... If you only need an inch-thick layer of limestone rock cover, you will be able to cover around 175 to 215 square feet (or around 16 to 20 square meters) of area. However, the actual area that a US ton of limestone can cover still depends on the ...Conversion between cubic feet and square feet. Note: Fill in one box to get results in the other box by clicking "Calculate" button. Data should be separated in coma (,), space ( ), tab, or in separated lines.To convert cubic yards to square feet, multiply your cubic yards figure by 27 to get cubic feet, then total cubic footage divide by height or depth in feet to get area in square feet. Formula for Cubic yards into square feet: Square feet = (Cubic yards × 27) ÷ Height or Depth in feet, such as 1 yards = 108 sq ft.A square yard of gravel weighs about \(74kg\) or \(57\) pounds with a depth of \(5\) ... How many yards in a ton of gravel? A ton of gravel is about \(19\) cubic feet or \(0.705\) cubic yards of gravel with a normal size of stones meaning that it has been filtered and has no residual sand, clay, etc. Chart for Gravel and other materials weight. How to get cubic yards from square feet, Kilograms: To manually calculate how much gravel you need, measure the length, width, and desired depth of the area in feet, then multiply those numbers to determine cubic feet. Next, divide your cubic feet value by 27 to determine cubic yards. Finally, to convert cubic yards to tons, multiply by 1.4. Cubic feet = length x width x depth in feet., Next, let's look at an example showing the work and calculations that are involved in converting from cubic feet to cubic yards (ft 3 to yd 3). Cubic Feet to Cubic Yard Conversion Example Task: Convert 1,000 cubic feet to cubic yards (show work) Formula: ft 3 ÷ 27 = yd 3 Calculations: 1,000 ft 3 ÷ 27 = 37.03703704 yd 3 Result: 1,000 ft 3 is ..., When you have an itch, what is happening under your skin? And, why does scratching make it go away? Advertisement The average human body is covered by about 20 square feet (2 squar..., Topsoil Calculator. Use this topsoil calculator to find out how much topsoil you need to buy for your yard. Enter the area to be covered and the desired thickness, and we will tell you how much topsoil to get. Topsoil Calculator. Area: square feet. Thickness: inch (es), To calculate the weight of a cubic yard of soil, you simply have to multiply the volume by its density. Just type the density of the soil into the topsoil calculator, and this calculation will be performed effortlessly. ... 36 bags if the bag size is 0.75 cubic feet and 27 bags for the larger 1 cu ft bag. These figures come from the fact there ..., 3 square yards: 27 square feet: 4 square yards: 36 square feet: 5 square yards: 45 square feet: 6 square yards: 54 square feet: 7 square yards: 63 square feet: 8 square yards: 72 square feet: 9 square yards: 81 square feet: 10 square yards: 90 square feet: 11 square yards: 99 square feet: 12 square yards: 108 square feet: 13 square yards: 117 ..., The formula to convert inches to feet is: multiply by 0.0833 and if you're applying 1 inch, that means your third number is simply 0.0833 as demonstrated below. Volume = width x length x depth. So 5 feet x 5 feet x 0.0833 = 2.08 ft 3, 0.08 yd 3, or 58.97 L. Just use the compost calculator above instead — it's easier., Understanding Cubic Yards: A cubic yard is a standard unit of measurement used in landscaping for rocks, soil, and mulch, representing a volume of 3 feet by 3 feet by 3 feet. So, a cubic yard of rock using 3-inch thick layer will cover approximately 108 square feet. Coverage Variability: Different types of rocks cover …, To work out the volume of mulch you need, just multiply the three measurements together. length × width × depth = volume. US imperial example. 20ft × 8ft × 0.25ft = 40 cubic feet. UK metric example. 6.09m × 2.44m × 0.076cm = 1.13 cubic metres. If you've taken individual measurements for an irregular shaped area, calculate the volume of ..., Hey guys & gals! In this video we show you how to easily get a Cubic Yard Measurement. No matter if it's mulch, gravel, concrete, sand, compost, etc. a cubic..., If you have measurements in feet and inches, divide inches by 12 to convert your readings to feet. Multiply all measured values in feet to get the cubic feet. At last, divide the result by 27 to calculate cubic yards. Mathematically: Cu ft = [Length (ft) × Width (ft) × …, So for example, if the height of your 900 square feet area is 1 inch, then this is how you would calculate 900 square feet to cubic yards using our formula: (ft² × (height ÷ 12)) ÷ 27 = yds³. (900 × (1 ÷ 12)) ÷ 27 ≈ 2.778. 900 square feet ≈ 2.778 cubic yards. Below is a list of 900 square feet converted to cubic yards using our ..., Converting square feet (ft²) to cubic feet (ft³) is necessary when you want to calculate the volume of a three-dimensional object based on its area and height or depth. For example, if you have the area of a floor in square feet and you want to calculate the volume of a room by multiplying the area with the height, you would need to convert ..., For 800 square feet slab, 6 inches thick, you will need exactly 14.81 yards of concrete. The formula is as follows, 800/9 x 6/36 = 14.81 cubic yards. We divide by 9 in order to convert square feet into square yards, and by 36 to convert inches to yards. How many cubic feet in a yard of concrete? One yard of concrete equals 27 cubic feet., If the thickness (height) is measured in inches (in): To convert cubic yard to square yard, cubic yard must be divided by the thickness in inches and multiplied by 36. yd2 = (yd3 /in)*36. If the thickness (height) is measured in feet (ft): To convert cubic yard (yd^3) to square yard (yd^2), cubic yard must be divided by the thickness in feet ..., To calculate the cubic feet of each bed, we'll use our soil calculator: 2.5 x 7 x 2 = 35 cubic feet for each bed. Because this setup includes six gardens that all have the same measurement, the total calculation for the full amount of soil needed for these raised beds is: 6 x (2.5 x 7 x 2) or 6 x (35) = 210 cubic feet., Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result. Note: For a pure decimal result please select "decimal" from the options above the result. Square Yards to Square Feet conversion formula. Square Feet = Square Yards * 8.99999164., To convert square feet (ft^2) to cubic feet (ft^3), square feet must be multiplied by the thickness in feet (ft). ft3 = ft2 * ft. If the thickness (height) is measured in inches (in): To convert square feet to cubic feet, square feet must be multiplied by the thickness in inches and divided by 12. ft3 = ft2*in/12., Since one cubic yard is equal to 27 cubic feet, you can use this simple formula to convert: cubic feet = cubic yards × 27. The volume in cubic feet is equal to the volume in cubic yards multiplied by 27. For example, here's how to convert 5 cubic yards to cubic feet using the formula above. cubic feet = (5 yd³ × 27) = 135 ft³., Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result. Note: For a pure decimal result please select "decimal" from the options above the result. Square Yards to Square Feet conversion formula. Square Feet = Square Yards * 8.99999164., How many cubic meters does a 40 foot container measure? A standard 40-foot container has an internal cubic capacity of around 67 cubic meters (2,366 cubic feet), Typically, you can fit around 54-58 cubic meters of goods inside, depending on the size and shape of items. 2. Below are some dimensions of a standard 40ft container., How many cubic yards are in 64 cubic feet? 64 cu ft to cu yds conversion. Amount. From. To Calculate. swap units ↺. 64 Cubic Feet ≈. 2.3703704 Cubic Yards. result rounded. Decimal places. Result in Plain English. 64 cubic feet is equal to about 2.37 cubic yards. Result as a Fraction. 64 cubic feet ..., Understanding Cubic Yards: A cubic yard is a standard unit of measurement used in landscaping for rocks, soil, and mulch, representing a volume of 3 feet by 3 feet by 3 feet. So, a cubic yard of rock using 3-inch thick layer will cover approximately 108 square feet. Coverage Variability: Different types of rocks cover different amounts of area ..., Calculate the cubic capacity working with a known price per unit volume. For our first example, let's imagine we want to purchase some material in the shape of a cuboid. The cuboid has dimensions 10 feet in length and 6 feet in width. Therefore, the top area in square feet of the cuboid can be calculated by using the formulae:, The height is the height or depth of the square feet area in inches. So for example, if the height of your 600 square feet area is 1 inch, then this is how you would calculate 600 square feet to cubic yards using our formula: (ft² × (height ÷ 12)) ÷ 27 = yds³ (600 × (1 ÷ 12)) ÷ 27 ≈ 1.852 600 square feet ≈ 1.852 cubic yards, If you already know how to determine the square footage of a building or room by multiplying the length and width of the space, then you are one step away from knowing how to calculate cubic feet. Learn how to measure the volume of an object and how you can convert these measurements for your blueprint and material purchasing needs., More information from the unit converter. How many cubic feet in 1 cubic yards? The answer is 27. We assume you are converting between cubic foot and cubic yard.You can view more details on each measurement unit: cubic feet or cubic yards The SI derived unit for volume is the cubic meter. 1 cubic meter is equal to 35.314666572222 cubic feet, or 1.307950613786 cubic yards., How to calculate cubic yard. Example.1:- A box has a length of 9 feet, width of 6 feet and height of 3 feet, Then find cubic yards/volume of the box in yards. Answer => First change unit feet into the yard. Volume of box = lbh = 3 * 2 * 1 = 6yd³., Conversion between cubic feet and square yard. Note: Fill in one box to get results in the other box by clicking "Calculate" button. Data should be separated in coma (,), space ( ), tab, or in separated lines. , To calculate the cubic feet of dirt needed, the calculator first converts the desired depth from inches to feet, as most area measurements are in square feet. It then multiplies the area's width and length by the depth to provide an accurate estimate of the required soil quantity. ... To convert cubic feet to cubic yards (a common unit for ..., 2-3" over previously mulched areas. 3-4" for new mulched areas. Diameter of Circle (ft) Desired Depth (inches) 2-3" over previously mulched areas. 3-4" for new mulched areas. Enter your dimensions to calculate the amount of cubic yards. Enter your dimensions to calculate the amount of cubic yards. Length (ft), For example, one cubic foot is written as 1 foot^3. Express the cubic unit as a product of planar and linear units. Planar units have an exponent of 2, while linear units have an exponent of 1. For example, 1 foot^3 = (1 x 1) foot^ (2+1) = 1 foot^2 x 1 foot^1. Note that when factorizing the cubic term, the coefficients of the factorized units ..., For example, an 80-pound bag of mix yields approximately 0.60 cubic feet of concrete while a 40-pound bag yields 0.30 cubic feet. To produce a yard of concrete, you'll need to use about 45 80-pound bags or 90 40-pound bags. (Note: A cubic yard of concrete contains 27 cubic feet, so when you divide 27 by 0.60, the result is equivalent to 45 bags.)