How do I figure out how many yards of concrete I need for a slab?

Measure the length, width, and height of the void in inches, then multiply to get the cubic inches of the void. Multiply the cubic inches by the number of voids in the wall, typically 2 per block. Finally, divide cubic inches by 46,656 to find cubic yards of concrete needed.

For concrete, the formula for volume is as follows: length x width x thickness. To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: 40 pound bag yields .011 cubic yards.

A 60-pound bag yields . 017 cubic yards, and an 80-pound bag yields . 022 cubic yards. For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags.

I normally use post hole diggers (6" diameter?) 3 feet deep and ½ a bag of redi-mix per post.

As I recall, a 60# bag of concrete is about .

5cf, so you'd need 3 bags per hole..

How many concrete bags would I need for a 8 ft x 8 ft x 6" slab? 54 x 80lb Concrete bags. How much does it cost to pour a 8'x8' x6" slab? Ready-mix costs approx $277.86.

22.222 cu. yds. How many concrete bags would I need for a 30 ft x 40 ft x 6" slab?

With a brief look, a 16x16 area at 6 inches deep, you would need approximately 6.73 tons or 4.74 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas.

14.43 Bags of Cement is Required for Laying of 100m² Concrete Block.

With a brief look, a 20x20 area at 6 inches deep, you would need approximately 10.52 tons or 7.41 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas.

Joints should be sawed as soon as the concrete will withstand the energy of sawing without raveling or dislodging aggregate particles. ... Contraction/control joints must be established to a depth of ¼ the slab thickness (Figure 2). Proper joint spacing and depth are essential to effective control of random cracking.

Multiply the width times the length times the height (W x L x H). You can also use our volume calculator to find cubic yardage of a space. Convert the volume to cubic yards from cubic feet. To do so, divide the cubic footage by 27 to get the yards of concrete needed.

For concrete, the formula for volume is as follows: length x width x thickness. To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield.

I used three 80 pound bags of concrete mix to fill all of the 48" length of this 8" diameter tube form and had some concrete left over.

To figure out the how many tons you will need is not hard to do. You will have to know that the standard weight contractors use for crushed stone is 2700 pounds per cubic yard. Multiply the number of cubic yards by 2700 and divide by 2000. This value is the number of tons that you will need.

Beside above, how much crushed concrete do I need calculator? In the construction world, most materials are measured in cubic yards. Multiply the length (L), in feet, by the width (W), in feet, by the height (H), in feet, and divide by 27. This will tell you how many cubic yards of crushed stone you need.

How many concrete bags would I need for a 5 ft x 5 ft x 6" slab? 20.8 x 80lb Concrete bags.

For concrete, the formula for volume is as follows: length x width x thickness. To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield.

You will need 45 bags of concrete mix to make a cubic yard of concrete.

How Many Bags of Concrete do you Need?Bag SizePre-mix Bags Needed to Fill1/4 cu yd1/2 cu yd40 lb bags234560 lb bags153080 lb bags1223

For example, a sono tube with a 10" diameter and a 4' depth requires 0.08 cubic yards of concrete.

For example, a sono tube with a 10" diameter and a 4' depth requires 0.08 cubic yards of concrete..

Plan on at least 5 minutes per cubic yard, for unloading time. How much concrete do I need? Order this much concrete, for these standard pool sizes. 12 x 24 – 5 yards, 14 x 28 – 6 yards, 16 x 32 – 7 yards, 18 x 36 – 8 yards and a 20 x 40 – 9 yards.

Multiply the square footage by the depth in feet to find the volume of the space in cubic feet. Volume is found by measuring length × width × depth. Finally, divide the cubic footage by 27 to find the volume in cubic yards. This is the amount of concrete needed.

10 x 10 = 100 square feet. 4 ÷ 12 = .33. 100 x .33 = 33 cubic feet. 33 x .037 = 1.22 cubic yards.

The use determines the thickness. So if you take the surface area and multiply it by the thickness you will get the volume. Ie. 40 feet × 60 feet × 1 foot thick would be 2400 cubic feet of concrete divide by 27 to get cubic yards 2400÷27= 88.889.

Once you know how big the room is and ideally know how many square meters are in it, you can simply divide that figure by 9 to give you about how many bags of multi finish plaster you will need. Multi finish covers 10m2, but I say 9m2 to all allow for wastage.

Your project is 32 square feet at a depth of 4”. Here is the quantity that you will need for your slab. Quikrete Concrete Mix: 24- 60lb bags.

For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags. If we add an extra 10%, that's an extra 8 60-pound bags or 6 80-pound bags.

To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: 40 pound bag yields .011 cubic yards. 60 pound bag yields .017 cubic yards.

Enter the size of the slab you want to build in square feet. The calculator will indicate the number of 60 or 80 pound bags of QUIKRETE® Concrete Mix you need to build a 4″ or a 6″ slab. (All yields are approximate and do not include allowance for uneven subgrade, waste, etc.)

The number of bags you need will vary depending on the type of concrete mix you choose for your project. If you're using 50lb bags of concrete, you'll need 72 bags to make a yard. If you're using 60lb bags of concrete, you'll need 60 bags to make a yard.

Using a Concrete Calculator You'll also get the number of 40-pound, 60-pound, or 80-pound bags of concrete are needed for the project. For example, a 10′ x 10′ slab that is 4″ thick will need an estimated 1.23 yards3 or 75 60lb bags of concrete and will cost roughly $140.

To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: 40 pound bag yields .011 cubic yards. 60 pound bag yields .017 cubic yards.

The volume of concrete required for a 10- by 10-foot slab depends on the diameter of the slab.

For a 4-inch slab, either eight 60-pound or six 80-pound bags are required, while for a 6-inch slab, either 12 60-pound or nine 80-pound bags are necessary..

The volume of concrete required for a 10- by 10-foot slab depends on the diameter of the slab. For a 4-inch slab, either eight 60-pound or six 80-pound bags are required, while for a 6-inch slab, either 12 60-pound or nine 80-pound bags are necessary.

Here is the quantity that you will need for your slab. Quikrete Concrete Mix: 24- 60lb bags.

How many stamps do I need for my project? Take your dimensions of your project and figure out which direction you will run your stamps. Next measure what your longest run will be. Ideally you want the enough stamps to cover your first row and 2 stamps for the second row.

To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: 40 pound bag yields .011 cubic yards. 60 pound bag yields .017 cubic yards.

Concrete Slab Prices By SizeSlab SizeSquare FeetAverage Cost Installed15x15225$1,38820x20400$2,46824x24576$3,55420x30600$3,7026 more rows

The use determines the thickness. So if you take the surface area and multiply it by the thickness you will get the volume. Ie. 40 feet × 60 feet × 1 foot thick would be 2400 cubic feet of concrete divide by 27 to get cubic yards 2400÷27= 88.889.

Use $90 per cubic yard as a ballpark figure for concrete prices, but concrete slab cost will vary by region. Also, expect a fee of about $60 per load for delivery from a concrete truck for concrete cost. There could be other fees for such things as Saturday concrete truck delivery and small loads.

They are 4 feet in height and 10 inches in width (diameter), or 4′ x 10″.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.More items...

One 80-lb bag of concrete yields . 60 cubic feet when combined with 4 quarts of water. If you're purchasing 80-lb bags of concrete, you'll need 1.66 bags of concrete.

For example, a sono tube with a 10" diameter and a 4' depth requires 0.08 cubic yards of concrete.

Do I need a concrete slab for a Tuff Shed storage building? No, in most cases. While garages do require a concrete slab, our exclusive steel joist system has more than adequate strength and moisture resistant qualities to provide a solid foundation for your shed on most ground surfaces.

Multiply the width, length and depth of your area. Concrete is usually ordered in cubic metres. Here's a conversion guide. There are 1.3 cubic yards in one cubic metre (If you have your requirement in cubic yards, all you need to do is divide by 1.3 to get the cubic metres answer).

How do I calculate how much concrete I need for a slab?Measure the area in feet.Multiply length by width, and then by thickness.Divide the resulting number by 27 to find cubic 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.

For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags. If we add an extra 10%, that's an extra 8 60-pound bags or 6 80-pound bags. Whatever the size of your project, use the formula above to calculate how much concrete you'll need!