# How many bags of concrete do I need for a 10 x 4 slab?

## How many bags of concrete do I need for a 10 x 4 slab?

Regarding this, “how many bags of concrete do I need for a 10×10 slab of 4 inch thick?”, at 4 inches thick, generally you will need 49 bags of 90lb ready mix concrete, 56 bags of 80lb concrete, 74 bags of 60lb concrete or 111 bags of 40lb ready mix concrete for a 10×10 slab.

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

81 square feet
One Cubic Yard of Concrete: 4-inches thick – covers 81 square feet.

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

How Much Concrete For A 4×4 Fence Post?

Depth 50 Lb Bags
10″-14″ 2
16″-22″ 3
24″30″ 4
32″36″ 5

### How many cubic feet Does a 80 lb bag of concrete cover?

6 cubic feet
6 cubic feet for an 80 lb bag. The first thing you need to know is the “density” of the concrete.

### How thick does a concrete slab need to 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 much does a 12×12 concrete slab cost?

How much does a 12×12 concrete slab cost? The average cost to pour a 12×12 concrete slab that is 4” thick is between \$888 and \$1,584, with professional labor and materials included.

#### How many 80-pound bags of Concrete equal a yard?

How Many Bags of Concrete Are in A Yard? A bag of 80 lbs concrete can cover 0.5 to 0.6 cubic feet of the surface. As you know that a cubic yard equals 27 cubic feet, you will need forty five 80Lbs bags of concrete to cover a yard surface.

#### How to calculate concrete for a footing?

Concrete Footing Formula: If no length inputted = pi * radius (in yards) squared * height (in yards)

What is the price of cement per yard?

Concrete costs \$100 to \$200 per cubic yard, depending on location, type of concrete and how much you order.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.They also list the annual price growth of concrete at about 3.5%.

## How do you calculate cement slab?

Calculate the amount of concrete you will need. Concrete is sold in cubic yards (27 square feet), so you will need to multiply your square footage from Step 1 by the depth of slab, then divide by 27. For example, a 10-foot-by-10-foot slab would require 1.3 yards of concrete. This is equal to [(10x10x.33 feet)/27].