These Concrete Calculators provide the required quantities of cement and all-in ballast or cement, sharp sand and gravel required to give a defined volume of finished concrete. Both of these concrete calculators make an allowance for the fact that material losses volume after being mixed to make concrete.

Hi Lou, I found some information on the web on pouring concrete that helps answer your question. Follow the link to Estimating Quantities of material needed.The example is in metric units but the procedure is independent of the units. The instructions are to multiply the required volume by 1.65 to get the total volume of dry material needed, in your case that is 7.5 1.65 = 12.375 cubic yards.

Free concrete and cement calculator formulas for yards, pounds, bags, rectangles, squares, circles, columns and sonotubes. Free Concrete Calculator Building your own concrete slab, patio driveway or walkway is an excellent home improvement and most diy home handymen are capable of …

∴ No. of cement bags required in 1 cubic meter = 0.2171/0.0347 = 6.25 bags. Note: You can use the same formula for calculating cement for other nominal mixes.

Thus, for the proportion of mix considered, with one bag of cement of 50 kg, 0.1345 m 3 of concrete can be produced.. We have considered an entrained air of 2%. Thus the actual volume of concrete for 1 cubic meter of compacted concrete construction will be = 1 -0.02 = 0.98 m 3.. Thus, the quantity of cement required for 1 cubic meter of concrete = 0.98/0.1345 = 7.29 bags of cement.

We need 4 cubic yards of cement, our producer sells cement in bags weighing 60 lb with a 150 lb/cu ft density. Total weight of concrete that we need is 16 201,03 lb. We assume 5% of waste and spillage and voila, we need 284 bags of concrete.

An 80-pound bag yields approximately 0.60 cubic feet of concrete. 60-pound bags yield 0.45 cubic feet and 40-pound bags just 0.30 cubic feet. The actual yield is approximate because the amount of water added to the mix may vary. 60 to 80 pounds is a lot of weight to lift, carry and handle.

Quantity of materials such as cement, sand, coarse aggregates and water required per cubic meter of concrete and mortar for different mix proportions varies with the mix design of the concrete …

This result is the percentage of cement in the mixture needed to make 1 cubic yard of concrete. Multiply 40 1/2 feet by the percentage of cement your mixture needs. The result is the number of cubic feet of cement you need to put in your mix.

Calculate concrete volume and cost of concrete slabs, footers, walls, columns, steps, curbs and gutters in cubic feet, cubic yards and cubic meters. Calculate for quantity of items to fill for a total project need of cement in cubic feet and cubic yards.

Remember: 1 cubic yard equals 27 cubic feet, which equals 46,656 cubic inches. That means a 80-pound bag of concrete mix will yield 0.6 cubic feet of concrete, a 60-pound bag will yield 0.45 cubic feet and a 40-pound bag yields 0.3 cubic feet.

Ready-mixed concrete is sold by volume measured in cubic yards. If you can determine the area of your concrete project (length x width for rectangular projects) and know the thickness of the slab, you can use the information in the Concrete Volume Calculator below to determine how much concrete you need.

Because of the amount of concrete needed for most jobs it is usually easiest to figure the volume in cubic feet. If your project is large enough to calculate the volume in cubic yards instead of feet, call a ready mix concrete truck.

You will need 672 pounds or 304 kilograms of cement for 1 cubic meter of concrete. We have 94 pound bags of cement in the U.S. That's approximately 7 bags of cement here.

The tables below give you estimates for the number of 50- or 60-lb bags you need for concrete slabs of various sizes. Remember: Before beginning any excavation, call 811 to check for underground utilities.

We need 6,28 cubic yards of cement, our producer sells cement in bags weighing 60 lb with a 150 lb/cu ft density. Total weight of concrete that we need is …

Quickly calculate concrete slab and footing pours by entering the depth, width and length to find the number of cubic yards or bags of concrete needed for your project. Give these calculations to your ready-mix supplier or use them to estimate how many 40, 60 or 80 lb. bags of concrete to buy.

Post Hole Concrete Calculator. ... If you have a lot of posts to set, it may pay you to mix the concrete yourself. Or, if you need a cubic yard or more, order mixed and delivered. Concrete contractors can provide estimates for delivering and installing cement for your post project.

One popular formula for making concrete is the "1-2-3": 1 part portland, 2 parts sand, 3 parts gravel. A 94# bag of portland (approximately 1 cubic foot) would yield 6 cubic feet of concrete. 3 ...

To make 1 cubic yard of concrete, you'd need seven 94-pound bags of cement, about 1/2 cubic yard of sand and just over 3/4 cubic yard of gravel. The amount of water you use depends on how wet the ...

Determining Dimensions for a Cubic Foot of Concrete 2008 Home-Cost.com At some time you are going to have to figure out how much concrete you need for a repair or a major project, maybe for foundations in a wood deck project .

This standard concrete mix (used for most premix applications) weighs about 133 pounds per cubic foot of concrete, so a cubic yard (which contains 27 cubic feet) will weigh in at about 3,600 pounds. With the given mix ratio, cured concrete is about 22 percent cement by weight.

Quikrete 80 lb. Concrete Mix can be used for building or repairing foundation walls, sidewalks, curbs, steps and ramps and for setting posts. This mix designed for pouring concrete 2 in. thick or more. Quikrete 80 lb. Concrete Mix consists of a uniformly blended, properly proportioned mixture of ...

Use our concrete calculator to determine the amount of concrete needed for your project. Calculate concrete slabs, concrete footings, concrete wall, concrete columns, concrete curb and gutter, concrete …

Quikrete 60 lb. Concrete Mix is ideal for both structural and non structural applications over 2 in. thick. This ready to use product contains a blend of Portland cement, sand, gravel, and …

Aug 15, 2017· To make a mix for 1 cubic metre of low strength concrete you will need 5,7 bags aug 14, 2011 how many 25kg cement do i all in ballast when mixing at ratio 6Cement meter needed 1cubic meter? Quora ...

Use the table above to calculate how many cubic yards of concrete would be needed for each rectangle in the series. Add the cubic yard volumes of every rectangle in the series, multiply by 105%, and round up to the nearest quarter yard.

One cubic meter of concrete is equal to 1.308 cubic yards of concrete. If there are 5 1/2 bags of cement in 1 cubic yard of concrete, there would be 7.2 bags in 1 cubic meter of concrete. These are the 94 pound bags of portland cement or 42.64 kg bags of cement.

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