WebJun 4, 2024 · For a 12-foot-by-12-foot slab, the square footage is 144. The desired depth of the slab is 6 inches, which is 0.5 feet. Multiply 144 by 0.5 to get 72 cubic feet. Divide 72 by 27 to get 2.67 cubic yards. Add an extra 10% to allow for spillage. The total amount of concrete you’ll need is 2.94 cubic yards. WebJan 4, 2024 · Divide 27 cubic feet of concrete in a cubic yard by the volume of the concrete bag. Add 5%-10% additional material for some waste or spills. Find the number of …
CONCRETE DIVISION 3 2 RODUCT O - QUIKRETE
WebHow many 80lb bags of concrete do I need for 3 yards? An 80# bag of pre-mixed cement, sand and gravel ( CONCRETE ) is 0.6 cubic foot per the bag. There are 27 cubic feet in a cubic yard. So 27 / 0.6 = 45 80# bags. How much concrete does a bag of cement make? bag of Portland Cement makes 4.5 cubic feet of concrete. WebWith this formula in mind, you’ll be able to calculate just how much concrete or cement you’ll need for your project: One 60 -lb bag of concrete gives you. 45 cubic feet of concrete when mixed with 2.5 quarts of water. In order to have enough concrete for one cubic foot, you’ll require 2.2 bags of 60 -lb concrete. small sharks for saltwater aquarium
How Many Cubic Feet Are in a Bag of Concrete ...
WebA cubic yard is 27ft³ and will require (27ft³ ÷ 0.6ft³/bag) 45 bags of mix. An 80-pound bag of 4000psi concrete costs $4.78 at one store in my area and you save 10% when you purchase 56 bags or more. Since a cubic yard requires 45 bags, the cost for a cubic yard at that store would be $215.10. WebAs per general practices, generally you will need approximately 0.20 cubic yards or 5.28 cubic feet or 0.15 m3 (either 12 bags of 60lb or 9 bags of 80lb) of premixed concrete for a 4’×4′ slab at 4 inches thick. At 5 inches thick, for a 4’×4′ slab, 0.247 cubic yards or 6.66 cubic feet or 0.189 m3 (either 15 bags of 60lb or 11 bags of ... WebMost concrete purchases will be made in cubic yards, which equates to 27 cubic feet. For example, a project measuring 10 ft in length by 10 ft in width with a depth of 3.5 in will be just over 1 cubic yard. The equivalent to a single cubic yard in metric measurements would be roughly 0.76 cubic meters. small sharks in carolina