# Readers ask: How Many Sq Ft Does A Yard Of Concrete Cover?

## How much concrete do I need for a 10×10 slab?

For a 10 x 10 slab, we’d suggest a mix with a capacity of about 4,000 pounds per square inch, or psi. This is basic for residential projects, and it can withstand traffic and support heavy loads.

## How much does it cost to pour a 30×50 slab?

Concrete Slab Cost Calculator

Size (in feet) Approximate Cost
30×40 \$7,200
30×50 \$9,000
40×40 \$9,600
40×60 \$14,400

## How many 80 lb bags of concrete are in 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. There’s 27 cubic feet of concrete in a cubic yard.

## How many square feet is a yard of concrete 3 inches thick?

One Cubic Yard = 27 Cubic Feet Length x Width = Square Feet

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1 YD 3 YD
Depth
3 Inches 108 sq.ft. 324 sq.ft.
4 Inches 81 sq.ft. 243 sq.ft.
5 Inches 65 sq.ft. 195 sq.ft.

## How do you calculate how much concrete you need?

How to calculate concrete:

1. Determine how thick you want the concrete.
2. Measure the length and width that you‘d like to cover.
3. Multiply the length by the width to determine square footage.
4. Convert the thickness from inches to feet.
5. Multiply the thickness in feet by the square footage to determine cubic feet.

## How many bags of concrete makes a yard?

On average, it will take 90 40lb bags, 60 60lb bags, or 45 80lb bags to fill one cubic yard of concrete.

## Can you pour concrete directly on dirt?

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

## 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.

## Should you put plastic under concrete?

Recently, though, research has shown that the old traditional layer of 6-mil Visqueen (polyethylene plastic) under the slab is seldom effective for two main reasons: Although it may seem water-tight, this grade of material allows a lot of water vapor to pass through.

## How many bags of cement do I need for 1 cubic 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.

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## How much area does a 50 lb bag of quikrete cover?

One 50-pound bag of Quikrete Fast Setting Concrete Mix yields about. 375 cubic feet. For example, if you need to cover 33.333 cubic feet, using 60-pound bags of concrete, divide 33.333 cubic feet by. 45 cubic feet to get 74.07 total bags of concrete.

## 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 does a yard of concrete cover at 4 inches thick?

One Cubic Yard of Concrete: 4inches thickcovers 81 square feet.

## How many bags of cement do I need for 100 square feet?

4 bags ( 401 kg) of cement and 1593 nos bricks are required for 100 square feet 13.5 inch brick wall.

## How much is 4 yards of concrete cost?

Each cubic yard of concrete costs \$119 to \$147 per cubic yard delivered.