>

40lb to cubic feet - How to convert weight to volume. To convert weight (mass) to volume, divide the mass of the

To convert any lb/ft3 measurement to kg/m3, use this formula: lb/

4 pound per (cubic foot) = 64.073853495841 kilograms per (cubic meter) 5 pound per (cubic foot) = 80.092316869801 kilograms per (cubic meter) Home. Density. Pound per (cubic foot) Pound per (cubic foot) (lb/ft3) conversion calculators, tables and definition, converts Pound per (cubic foot) to other density units.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.The approximate volume of concrete produced from a 80 pound bag is 0.6 ft³. To compute how many 80 lb bags of concrete is needed for a total volume, CLICK HERE. Choose your volume units (e.g. cubic feet) Enter the volume (V) The calculator returns the number of 80 lb bags needed to mix that much concrete.A bag of 40 lb concrete is premixed of cement, sand and gravel as concrete, as we know 1 cubic foot concrete weighs around 133 pounds, so volume of a 40 lb bag of concrete = 40/133 = 0.30 cubic foot, therefore volume of 40lb bag of concrete in cubic feet is about 0.30. Regarding this, how many cubic feet are in a 40 lb bag of concrete, as 133 ...Answer. Answer (1 of 6): Haxxah and KraZugA 40 pound bag will be about one cubic foot. Therefore, a bag measuring one foot in length multiplied by one foot in width multiplied by one foot in height is able to hold forty pounds of topsoil.One foot is equivalent to twelve inches which, in turn, is equivalent to about 30 centimetres.Jun 5, 2023 · And there we go, we've found the required volume of soil in cubic feet — 405 ft 3 405\ \text{ft}^3 405 ft 3! If this cubic feet calculator is too simple for your gardening needs, try our dedicated tools. Apart from calculating the cubic feet of soil needed, we can estimate the cost and weight of the soil as well. When poured on a perfectly level surface, one cubic yard will cover 27 square feet at one foot thick. How much does a yard of concrete weigh? A solid, unbroken slab of concrete weighs about two tons (or 4,000 pounds) per cubic yard. Breaking up concrete roughly halves the total weight per cubic yard to about one half ton (or about 2,000 pounds).There are between 69 and 100 pounds in a cubic foot of dry soil; 149.83 pounds in a cubic foot of concrete; 490.1 pounds in a cubic foot of steel. About 94.58 pounds in a cubic foot of sand; and; 62.43 pounds in a cubic foot of water. For other substances or amounts, use our cubic feet-to-pounds conversion tool.The answer is 0.062428 Kilogram / Cubic Meter. Q: How do you convert 40 Pound per Cubic Foot (lb/ft3) to Kilogram / Cubic Meter (kg/m3)? 40 Pound per Cubic Foot is equal to 640.739 Kilogram / Cubic Meter. Formula to convert 40 lb/ft3 to kg/m3 is 40 * 16.01846337. Q: How many Pounds per Cubic Foot in 40 Kilograms per Cubic Meter? 4 pound per (cubic foot) = 64.073853495841 kilograms per (cubic meter) 5 pound per (cubic foot) = 80.092316869801 kilograms per (cubic meter) Home. Density. Pound per (cubic foot) Pound per (cubic foot) (lb/ft3) conversion calculators, tables and definition, converts Pound per (cubic foot) to other density units.The cubic foot is an imperial and US customary (non-metric) unit of volume, used in the United States and the United Kingdom. It is defined as the volume of a cube with sides of one foot (0.3048 m) in length. Its volume is 28.3168 litres or about 1/35 of a cubic metre. any of various units of mass and weight; specifically : a unit now in ...Jan 22, 2014 · The approximate volume of concrete produced from a 40 pound bag is 0.3 ft³. To compute how many 40 lb bags of concrete is needed for a total volume, CLICK HERE. Choose your volume units (e.g. cubic feet) Enter the volume (V) The calculator returns the number of 40 lb bags needed to mix that much concrete. This means that one 40 pound bag of compost covers 12 square feet of space at a depth of 1-inch or 6 square feet of space per bag. You can put as much or as little compost in your pile as you want. You can also add more or less compost depending on how much space you have available.The approximate volume of concrete produced from a 80 pound bag is 0.6 ft³. To compute how many 80 lb bags of concrete is needed for a total volume, CLICK HERE. Choose your volume units (e.g. cubic feet) Enter the volume (V) The calculator returns the number of 80 lb bags needed to mix that much concrete.Generally you will need 40 bags of 90lb concrete to make one cubic yard or 45 bags of 80lb, 60 bags of 60lb, 72 bags of 50lb or 90 bags of 40lb of concrete required to make a cubic yard of concrete. A yard of concrete will cover around 108 square feet area upto a standard depth of 3 inch for your slab and patio.Oct 9, 2023 · A 40lb bag of topsoil yields 0.75 cubic feet or 0.028 cubic yard or 0.02 short tons, as 1 cubic yard is equal as 27 cubic feet, so number of bags of 40lb of topsoil in a …CONCRETE VOLUME - cubic feet per 40lb bag. The approximate volume of concrete produced from a 40 pound bag is 0.3 ft³. To compute how many 40 lb bags of concrete is needed for a total volume, CLICK HERE. The calculator returns the number of 40 lb bags needed to mix that much concrete.You are currently converting density units from pound per cubic feet to metric ton per cubic metre 1 lb/ft 3 = 0.01601846 t/m 3. pound per cubic feet . lb/ft 3. metric ton per cubic metre . 0.01601846 t/m 3. Conversion base : 1 lb/ft 3 = 0.01601846 t/m 3. Conversion base : 1 t/m 3 = 62.427973725314 lb/ft 3.Jan 20, 2021 · How many cubic feet are in a bag of quikrete 5000? 0.45 cu ft QUIKRETE® 5000 can be used for any application requiring concrete in a minimum thickness of 2″ (51 mm), ... 40lb bag of premixed cement, sand and gravel as concrete is (40/133 = 0.30) around 0.30 cubic foot per bag, as we know there are 27 cubic feet in one cubic yard, so …More information from the unit converter. How many g/cm3 in 1 pound/cubic foot? The answer is 0.016018463. We assume you are converting between gram/cubic centimetre and pound/cubic foot.You can view more details on each measurement unit: g/cm3 or pound/cubic foot The SI derived unit for density is the kilogram/cubic meter. 1 …Convert feet to cubic feet, ft to cft (ft3). Length and distance, volume and capacity units converter, calculator, tool online. Conversion table. Description, explanation, formula.Tweet. #4. 04-18-2006, 07:19 PM. Re: lbs to cubic ft. I couldn't find data for compost, but I found data for bags of fullers topsoil, and that is 42 pounds/cubic foot. I would assume compost is quite similar, if not slightly lower density. A 40 pound bag will be about 1 cubic foot. So you would need about 2 and 1/2 bags.Concrete volume is measured in cubic yards. When poured on a perfectly level surface, one cubic yard will cover 27 square feet at one foot thick. How much does ...Find pages on convert to with online Google Custom Search. This on the web one-way conversion tool converts density units from pounds per cubic foot ( lb/ft3 ) into grams per cubic centimeter ( g/cm3 ) instantly online. 1 pound per cubic foot ( lb/ft3 ) = 0.016 grams per cubic centimeter ( g/cm3 ). How many grams per cubic centimeter ( g/cm3 ...How many cubic feet are in a 40 pounds bag of sand. Regarding this, “how many cubic feet are in a 40 lb bag of sand?”, volume of 100 lb sand is around 1 cubic feet, so volume of 40 lb bag of sand yield around 0.4 cubic feet, such that, 40/100 = 0.4 cubic feet, so, there are 0.4 cubic feet in a 40 pounds bag of sand.Not too late Rick, I haven't made the order for all the materials at Lowe's yet. I'm actually waiting for a reply back from 'Black Kow' the company that makes this topsoil as to how many cubic feet a 40lb bag may contain. I'll also be adding some of their compost to the mix. Their topsoil is lots less expensive than potting soil or garden soil.short ton = 2000 lb. volume = 2000 ÷ 52 = 38.5 cu. ft. per short ton. long ton = 2240 lb. volume = 2240 ÷ 52 = 43.1 cu. ft. per long ton. metric ton = tonne = 1000 kg = 2204.6 lb. volume = 2204.6 ÷ 52 = 42.4 cu. ft. per metric ton. Poster #2 obtained a result different from any of mine, but without being able to see any steps in their ...One 40 lb. bag covers up to 4.5 sq. ft. at a 2-inch depth. When using this product and other planting materials, it is recommended to wear gardening gloves. ... here are roughly 27 cubic feet in a yard, and a 40-pound sack of dirt commonly covers around 0.75 cubic feet. This really intends that there are roughly 36 sacks of dirt in a yard. by ...Apr 24, 2017 · For example, suppose you want to convert 30 gallons of propane: 30 * 3.79 = 113.7. Multiply the metric measure of liquid by the conversion ratio for propane. Since propane has a conversion ratio of 1:270, one unit of liquid propane yields 270 units of vaporous propane: 113.7 * 270 = 30,699. Divide the uncompressed measure of propane …More information from the unit converter. How many lb/cu ft in 1 pound/cubic foot? The answer is 0.99999997665443. We assume you are converting between pound/cubic foot and pound/cubic foot.You can view more details on each measurement unit: lb/cu ft or pound/cubic foot The SI derived unit for density is the kilogram/cubic meter. 1 …You might notice that we changed between units (e.g. Density is in pounds per cubic feet and volume is given in cubic yards). The calculator does the following conversions for you: $$1\,ft = 12\,in = 0.33\,yd = 30.48\,cm = 0.3048\,m$$We assume you are converting between pound/cubic foot and pound/cubic inch. You can view more details on each measurement unit: pounds per cubic foot or pound/cubic inch The SI derived unit for density is the kilogram/cubic meter. 1 kilogram/cubic meter is equal to 0.062427962033561 pounds per cubic foot, or 3.6127291621846E-5 pound/cubic inch ...There are between 69 and 100 pounds in a cubic foot of dry soil; 149.83 pounds in a cubic foot of concrete; 490.1 pounds in a cubic foot of steel. About 94.58 pounds in a cubic foot of sand; and; 62.43 pounds in a cubic foot of water. For other substances or amounts, use our cubic feet-to-pounds conversion tool.Jun 10, 2017 · When you acquire topsoil/compost, you might wish to ask for references, just like you do for any other professional service. A 40-lb bag of topsoil is about .75 cubic feet (or ft3). 830 ft2 X 1 foot deep = 830 ft3. 830 ft3/.75 ft3 = 1106.66 bags of topsoil." Note that the 40 lb bag volume varies somewhat depending on moisture content.Calculate Cubic Yards. 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.This is a simple program for converting lb into cubic feet (pound to cubic feet). How convert pounds to ft3 (cubic feet) and vice versa? Use the following formulas to calculate: 1) Volume = Weight / Density. 2) Weight = Volume * Density. 3) Density = Weight / Volume. Weight is a characteristic of the body, which is a measure of the ... When poured on a perfectly level surface, one cubic yard will cover 27 square feet at one foot thick. How much does a yard of concrete weigh? A solid, unbroken slab of concrete weighs about two tons (or 4,000 pounds) per cubic yard. Breaking up concrete roughly halves the total weight per cubic yard to about one half ton (or about 2,000 pounds).I used 2 bags of vermiculite, 4 bags of store bought compost, some of my own compost (maybe a bag worth), and 1 bale of peat moss. The vermiculite were 4cu/ft bags, the store bought compost were 40lb bags, and the compost was 3.0 cu/ft compressed, the largest my Home Depot carried.2. Cubic inches: After you have calculated the cubic footage of an object, you can convert this measurement to inches by multiplying the number by twelve. Since there are twelve inches to a foot, you can convert inches to feet by dividing the number of cubic inches by twelve. 3. Cubic centimeters: One cubic foot equals 28,316.8 cubic …And there we go, we've found the required volume of soil in cubic feet — 405 ft 3 405\ \text{ft}^3 405 ft 3! If this cubic feet calculator is too simple for your gardening needs, try our dedicated tools. Apart from calculating the cubic feet of soil needed, we can estimate the cost and weight of the soil as well.Note that in the above two examples, the units of each measurement are not the same (e.g. density is in pounds per cubic feet and volume is given in cubic yards). There are multiple options for the units of each measurement that are available to use. For example, you can enter measurements of length in inches (in), feet (ft), yards ...Aug 2, 2023 · 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: How to convert from kN/m 3 to lb/ft 3?. Correctly measure in lbf/ft 3 (pound-force per cubic foot). 1 lbf/ft 3 = 1 lb/ft 3.. 1 kN/m 3 = 6.365880 lb/ft 3 =6.365880 lbf/ft 3 (gravitational acceleration (free fall) g = 9.80665 m/s 2 ≈ 32.174048 ft/s 2 )The cubic feet per minute unit number 0.016 cu ft/min converts to 1 lb/min, one pound (water mass) per minute. It is the EQUAL flow rate value of 1 pound (water mass) per minute but in the cubic feet per minute flow rate unit alternative.The most common use of this calculator is to convert cubic inches to cubic feet. This calculator can also convert the units such as cft to cbm, cm e.t.c. . If the shape is irregular, split it mentally into regular forms, measure the volume separately for each shape, and add all of them to get the volume in cubic feet. A 40lb bag of topsoil yields 0.75 cubic feet, and 1 cubic yard is equal as 27 cubic feet, so number of bags of 40lb of topsoil in a yard = 27/0.75 = 36 bags, so, there are 36 bags of 40 lb of topsoil in a cubic yard. 40 lb bag of topsoil is how many cubic yards. In one 40 lb (pound) bag of topsoil- there are 0.028 cubic yards volume. A typical ... Jun 5, 2023 · You can change the unit in the cubic feet calculator by clicking on the unit's name and choosing one from the drop-down list. Alternatively, you can use our volume converter.. And there we go, we've found the required volume of soil in cubic feet — 405 ft 3 405\ \text{ft}^3 405 ft 3! If this cubic feet calculator is too simple for your gardening …To convert cubic feet to cubic yards, divide by 27 There are 0.93 cubic yards in an 8-foot circular concrete slab with a 6-inch thickness For a 25.12 cu ft or 0.93 cu yard slab, you’ll need 42 80 lb bags, 59 60 lb bags, 68 50 lb bags, or 84 40lb bags of concrete.This concrete calculator allows you to estimate how much concrete you need based on the cubic feet and cubic yards for a defined area. ... 40 lb bag: .011; 60 lb ...Volume/Weight. Volume: 2,694 cubic feet (33 cubic meters) – this provides an additional 344 cu ft of storage space. Weight: It has a tare weight of 8,598 lbs., a maximum payload weight (max cargo weight) is 63,052 lbs ., a maximum gross weight of 71,650 lbs. The 40ft HC container is 1ft taller than a standard dry container.The cubic feet formula depends on the shape of the object for which one is calculating volume, but for a cube, v=a^3, where a is the length of one side in feet. For cylinders and prisms, the formula is the area of the base multiplied by the...Jan 22, 2014 · The approximate volume of concrete produced from a 40 pound bag is 0.3 ft³. To compute how many 40 lb bags of concrete is needed for a total volume, CLICK HERE. Choose your volume units (e.g. cubic feet) Enter the volume (V) The calculator returns the number of 40 lb bags needed to mix that much concrete. Disclaimer: Depending on the composition of the material from your supplier, the material density, the weight, and therefore, the total price you get from the calculator above may not be 100% accurate.Use the calculator only to get a rough estimation. Units of Measure for the Calculator. Bulk material distributors usually sell goods using measurements of tons …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 ...Jun 5, 2023 · Say you are creating a new garden that will be 10 feet by 5 feet in size. The soil quality is not great, so you want a heavy dosage of compost to mix in with your soil. Area = 10 feet x 5 feet = 50 sq. feet. A new garden with a heavy dosage of compost requires 2 inches of compost. Volume = 50 sq. feet x 2 inches = 0.3 cubic yards, or 8.3 cubic feetCompost Coverage Formula. To determine the number of cubic yards: square feet x inches of compost x 0.0031 = # of cubic yards needed. To determine the number ...Portland cement bag comes in various size of 40lb, 60lb, 80lb and 94 pounds. Generally 1 bag cement weighs around 94 pounds which is equal to 1 cubic feet of cement. How many shovels in a 94 lb bag of cement. It would take roughly five or six shovels to move one cubic foot of cement. Typically a 94 lb bag of cement nearly equal to 1 cubic feet.A 40 pound bag will be about one cubic foot. Therefore, a bag measuring one foot in length multiplied by one foot in width multiplied by one foot in height is able to hold forty pounds …Oct 13, 2022 · The calculator does the following conversions for you: $$1\,ft = 12\,in = 0.33\,yd = 30.48\,cm = 0.3048\,m$$. $$1\,t = 2000\,lb = 0.893\,long\,t = 907\,kg$$. We think that our pea gravel calculator is a powerful online tool that can help you find out how many bags of gravel you need, eliminating wasted stones, and of course save you money! Are ...The approximate volume of concrete produced from a 80 pound bag is 0.6 ft³. To compute how many 80 lb bags of concrete is needed for a total volume, CLICK HERE. Choose your volume units (e.g. cubic feet) Enter the volume (V) The calculator returns the number of 80 lb bags needed to mix that much concrete.How many kg/m3 in 1 lb/ft3? The answer is 16.01846337396. We assume you are converting between kilogram/cubic metre and pound/cubic foot. You can view more details on each measurement unit: kg/m3 or lb/ft3 The SI derived unit for density is the kilogram/cubic meter. 1 kilogram/cubic meter is equal to 0.062427960576145 lb/ft3. Note that rounding ...1 Cubic foot (ft³) is equal to 0.0283168466 cubic meter (m³). To convert cubic feet to cubic meters, multiply the cubic foot value by 0.0283168466 or divide by 35.3146667. For example, to convert 500 cubic feet to cubic meters, you can use the following formula: Therefore, 500 cubic feet equal to 14.1584 cubic meters.Therefore, a bag measuring either one cubic foot or 1, 728 cubic inches or 27, 000 cubic centimetres can hold 40 pounds of topsoil. Actually it's closer to .75cf - So, for a bed of 30x20 x 8in deep, you'd need approximately 2.77cf of topsoil which is roughly 3.5 40lbs bags. Jun 26, 2011 · To convert kg/m 3 to lb/ft 3, use the conversion factor. 1 lb/ft 3 = 16.018463 kg/m 3. then divide both sides of the equation by lb/ft3, to get the conversion ratio. 1 = 16.018463 kg/m 3 / lb/ft 3. Use the conversion ratio to complete the unit conversion, basically dividing the input by 1, the kg/m3 units cancel out, and we are left with lb/ft3 ... Let's say we want to construct six 10-feet (or 120-inches) high concrete columns using 16-inch Sonotube concrete forms. For this, we can use the formula for cylinder volume to determine how much concrete we'll need for a single column, ... V total = V column × n = 0.5171 cubic yards ...Jan 20, 2021 · How many cubic feet are in a bag of quikrete 5000? 0.45 cu ft QUIKRETE® 5000 can be used for any application requiring concrete in a minimum thickness of 2″ (51 mm), ... 40lb bag of premixed cement, sand and gravel as concrete is (40/133 = 0.30) around 0.30 cubic foot per bag, as we know there are 27 cubic feet in one cubic yard, so …The amount of concrete you need for a 10x10 slab depends on how thick it will be. So, for a 4-inch slab you’ll need 1.24 cubic yards (56 80lb bags), but a 6-inch slab requires 1.85 yards (84 80lb bags). If your slab is a different size or thickness, use our calculator to determine the amount of concrete.How many 40lb bags of topsoil are in a cubic yard. As per Imperial or US customary measurement system, there are 36 bags of 40lb of topsoil in a cubic yard. A 40lb bag of topsoil yields 0.75 cubic feet or 0.028 cubic yard or 0.02 short tons, as 1 cubic yard is equal as 27 cubic feet, so number of bags of 40lb of topsoil in a yard = 27/0.75 = 36 ...Cubic feet per minute is used to measure the amount of air that is being delivered, and is a common metric used for carburettors, pneumatic tools, and air-compressor systems. Standard cubic foot. A standard cubic foot (abbreviated scf) is a measure of quantity of gas, sometimes ...Instant free online tool for cubic foot to ton register conversion or vice versa. The cubic foot [ft^3] to ton register [ton reg] conversion table and conversion steps are also listed. Also, explore tools to convert cubic foot or ton register to other volume units or learn more about volume conversions.Convert the inches into feet by dividing 2 by 12 to get 0.167. Multiply the square footage of the area by the desired depth, such as 60 times 0.167 for about 10 cubic feet. When you divide the cubic feet by 27, you get the number in cubic yards. If you had 120 cubic feet, for example, divide 120 by 27 to get about 4 1/2 cubic yards.Oct 13, 2022 · Our online soil calculator takes care of this for you, saving you time and effort! Simply select the correct units in the drop down areas and the calculator will do the following conversions for you: $$1\,foot = 12\,inches = 0.33\,yards = 30.48\,centimeters = 0.3048\,meters$$.1 Board feet = 0.0024 Cubic meters: 10 Board feet = 0.0236 Cubic meters: 2500 Board feet = 5.8993 Cubic meters: 2 Board feet = 0.0047 Cubic meters: 20 Board feet = 0.0472 Cubic meters: 5000 Board feet = 11.7987 Cubic meters: 3 Board feet = 0.0071 Cubic meters: 30 Board feet = 0.0708 Cubic meters: 10000 Board feet = 23.5974 Cubic …Jun 26, 2011 · To convert kg/m 3 to lb/ft 3, use the conversion factor. 1 lb/ft 3 = 16.018463 kg/m 3. then divide both sides of the equation by lb/ft3, to get the conversion ratio. 1 = 16.018463 kg/m 3 / lb/ft 3. Use the conversion ratio to complete the unit conversion, basically dividing the input by 1, the kg/m3 units cancel out, and we are left with lb/ft3 ... Volume is the amount of space that an object or substance occupies. Generally, the volume of a container is understood as its capacity — not the amount of space the container itself displaces. Cubic meter (m 3) is an SI unit for volume.. However, the term volume may also refer to many other things, such as. the degree of loudness or …4 pounds = 0.06407399 cubic feet. 5 pounds = 0.0800924875 cubic feet. 10 pounds = 0.160184975 cubic feet. 100 pounds = 1.60184975 cubic feet. How to convert pounds to …May 4, 2022 · How much soil for raised bed = length X width X depth. So, if your bed is 10 feet long, 6 feet wide, and two feet high, 10 X 6 X 2 = 120 cubic feet of soil. Larger bags of potting soil are often labeled according to cubic feet with most being offered in …This concrete calculator allows you to estimate how much concrete you need based , How many 40lb bags of Concrete in a Cubic Yard: You know a 40 lb bag of concrete gives 8 cubic , Multiply A x B x C to get the approximate cubic inc, 1 g/cm3. = 1000000 grams per cubic meter (g/m3) Grams Per Cubic Centimeter. to Pounds Per Cubic Foot (table c, A bag of 40 lb concrete is premixed of cement, sand and gravel as concrete, as we know 1 cubic foot concre, Take the total and divide by 27 (the amount of cubic feet in a yard). Th, 2. Cubic inches: After you have calculated the cubic footage of an object, , 725.4. 296.2. 1121. Scf (standard cubic foot) gas measured a, Multiply the result by the quantity in pounds to conv, Determining cubic metres (CBM) is the first step you shoul, 1 cubic foot = 62.42782757871 pounds. 2 cubic feet = 124.8556551, The volume in cubic feet is equal to the mass (wei, Jun 5, 2023 · Say you are creating a new garden t, Tweet. #4. 04-18-2006, 07:19 PM. Re: lbs to cubic ft. I could, The cubic feet per minute unit number 0.00027 cu ft/min conv, Just add water to SAKRETE 40 lb. Gray Concrete Mix , Use for: sidewalks, driveways, setting posts, footings, floors , One may ask reasonable question, “how many cubic feet in a 40.