# Quick Answer: How Many 80lb Bags Of Concrete Make A Yard?

## How many bags of concrete do I need for a 4×4 slab?

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.).

## How many square feet is a yard of concrete 4 inches thick?

81 square feetOne Cubic Yard of Concrete: 4-inches thick – covers 81 square feet. 5-inches thick – covers 65 square feet.

## How many bags of concrete do I need for a 10×10 slab?

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.

## How much does it cost for 2 yards of concrete?

According to the NRMCA – Ready Mixed Concrete Industry Data Survey, the average cost of concrete in 2018 was \$120 per cubic yard, or \$240 for the 2 cubic yards needed for a typical 10-by-10-foot patio.

## How many bags of concrete do I need for a post hole?

Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. Add concrete into the hole and around the 4” x 4”. Depending on your climate, let concrete set up for 24 – 48 hours.

## How much concrete do I need for a post hole?

To calculate how much concrete you need, you need to know the post size you are going to use and how many posts you are installing. Your post diameter and height determine how big each hole needs to be. As stated above, fence post holes should be 3 times the diameter of your post and 1⁄3 as deep as your post.

## How many 80lb bags of concrete is in a yard?

45 bagsAn 80# bag of concrete mix yields about . 6 cubic feet of concrete. So one cubic yard of concrete requires about 45 bags of mix.

## How much does an 80lb bag of concrete cover?

30 cubic feet, 60 pounds of concrete mix yields . 45 cubic feet and an 80-pound bag yields . 60 cubic feet.

## How many bags of concrete do I need for a 12×12 slab?

How many concrete bags would I need for a 12 ft x 12 ft x 6″ slab? 120 x 80lb Concrete bags. How much does it cost to pour a 12’x12′ x6″ slab? Ready-mix costs approx \$412.69.

## Do I need rebar in concrete patio?

Do concrete patios need rebar? Even though it’s possible to build a concrete patio without rebar, it’s not recommended. All concrete is subject to cracks, but rebar holds all the cracks together and keeps the slab level and even. Without rebar, the cracks would become quite wide and the concrete would become uneven.

## How thick should a concrete slab be?

4 inchesStandard 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 yards of concrete do I need for a 16×16 slab?

With a brief look, a 16×16 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.

## How many bags of concrete make a yard?

45 bagsPure 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.

## How many 60 pound bags of concrete does it take to make a yard?

60 pound bag yields .017 cubic yards.

## Can you pour concrete directly on dirt?

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

## Is it cheaper to mix your own 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 many bags of cement do I need for 1 cubic meter?

In general for M25 Grade concrete, which is extensively used for RCC work, cement content of one cubic meter concrete ranges from 300 kg to 350 kg. Each bag of cement weighs 50 kg and so 6 to 7 bags is required for M25 Grade concrete.