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.

Also, How many 80lb bags of concrete make a yard?

how many 80lb bags of concrete are in a yard? You will need 45 bags of concrete mix to make a cubic yard of concrete.

Hereof, How many bags of concrete do I need for a 20×20 slab?

How many concrete bags would I need for a 20 ft x 20 ft x 6″ slab? 333 x 80lb Concrete bags.

Also to know How thick should my concrete slab be? Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness.

How many bags of cement do I need for 1 cubic meter?

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. Join in and write your own page!

22 Related Questions Answers Found

How many bags of cement do I need for 1 yard?

Pure cement, sand and crushed rock all have about the same density, so a block of pure cement measuring 1 cubic yard of volume (about 3,600 pounds) will contain 45 bags of cement.

Is it cheaper to buy premixed concrete?

One of the least expensive ways to get concrete is to mix your own. You can buy bags of the mix from a home improvement store. Typically, you only have to add water for it to be ready to pour. … Otherwise, you risk getting a weaker concrete once it cures, which could lead to cracks or crumbles within a couple of years.

How much is 400 sq ft of concrete?

A typical concrete slab will cost between $113 and $126 per cubic yard (27 cubic feet) or

$5.35 to $6.17 per square foot

on average.



Concrete Slab Prices By Size.

Slab Size Square Feet Average Cost Installed
20×20 400
$2,468
24×24 576 $3,554
20×30 600 $3,702
30×30 900 $5,553

How much is a 20×20 slab of concrete?

Concrete Slab Cost Calculator

Size (in feet) Approximate Cost
12×20 $1,440
20×20
$2,400
24×24 $3,460
20×30 $3,600

How many bags of concrete makes a yard?

60 cu ft. So it will take 45 bag to equal one cubic yard of concrete. If you have a project over a 1/2 a cubic yard you should consider our Mix On-site Concrete especially if you are hand mixing. You will be one tired puppy if you mix a yard of concrete by hand.

Can I pour a 3 inch concrete slab?

Here, pouring a concrete slab 4 inches in thickness is fine. While you may choose to reinforce it with rebar, wire mesh should be sufficient. … A 3- to 4-inch slab will work for the floor of a storage or tool shed, workshop, garden shed, or playhouse.

Can you pour concrete directly on dirt?

Long story short, yes you can pour concrete over dirt.

How strong is 2 inches of concrete?

Determine the Concrete’s Strength

A common bag of concrete, for example, may have a compression strength of 4,000 psi, based on a thickness of 2 inches after it has set for 28 days. Other concrete may have a compression strength of only 550 psi.

How much sand and cement do I need for 1 cubic meter of concrete?

1 Cubic Meter of Concrete

1m3 of concrete = 150l water + 250kg cement + 700kg sand + 1200kg aggregates.

How much sand and cement do I need for 1m3 of concrete?

Typically, 1m3 of concrete is made up of 350Kg of cement, 700Kg of sand, 1,200Kg of chippings and 150 Litres of water.

How many 50kg bags of cement are there in 1 cubic meter of concrete?

Procedure To Calculate Cement Bags In 1 Cubic Meter:

Weight of 1 bag cement = 50 kg. =0.0347 cum. = 6.25 bags. Note: You can use the same formula for calculating cement for other nominal mixes.

Should you put plastic under concrete?

A concrete vapor barrier is any material that prevents moisture from entering a concrete slab. Vapor barriers are used because while fresh concrete is poured wet, it’s not supposed to stay that way. It needs to dry and then stay dry to avoid flooring problems. … This is why a vapor barrier under concrete is essential.

How much does 4 yards of concrete cost?

Each cubic yard of concrete costs

$119 to $147 per cubic yard

delivered.



Short-Load Concrete Prices.

Cubic Yards Mixing On-site Fees
4 –

4.75

$80
3 – 3.75 $90
2 – 2.75 $100
1 – 1.75 $110

How much does 2 yards of concrete cost?

Bulk Concrete Prices

Cubic Yards Price Range
1* $140-$200
2*
$280-$400
3* $420-$600
4* $560-$800

What is poor man’s concrete?

We have a few companies locally that offer “poor man’s concrete”. I’m not sure exactly what it is, but I’ve seen it in driveways and such. It’s a white powdery material they dump and flatten out and when it gets wet, it’s supposed to harden like cement.

What is the cheapest way to buy concrete?

What Is The Cheapest Way To Buy Concrete? The cheapest way to buy concrete is to mix your own by purchasing pre-mixed bags for $4.49 each and renting a concrete mixer for $120 per day. The second best way, it to buy a bulk truckload full (10 cubic yards) for $1,169 including delivery.

What is a cheaper alternative to concrete?

There are a few different types you can find in the home improvement store that can replace concrete cement used for driveways and walkways. These include pea gravel, crushed stone, and quarry process. Cheaper than other surface materials and low-cost to install.

Which is better concrete slab or cement slab?

Concrete works well in larger projects, while cement is more often used in smaller jobs. One of the strongest and longest-lasting materials known to man, concrete is used to build schools, bridges, sidewalks, and countless other structures. But you don’t need a hard hat to have success with concrete.

Is it cheaper to pour concrete yourself?

One of the least expensive ways to get concrete is to mix your own. You can buy bags of the mix from a home improvement store. Typically, you only have to add water for it to be ready to pour. … Otherwise, you risk getting a weaker concrete once it cures, which could lead to cracks or crumbles within a couple of years.

How do you price concrete work?

Concrete pricing is typically quoted per cubic yard or cubic meter (metre). For an average estimating number, you can use $77 per cubic yard.