How Much Does It Cost to Pour a 20×30 Slab

Concrete Slab Prices By Size

Slab Size Square Feet Average Cost Installed
15×15 225 $1,388
20×20 400 $2,468
24×24 576 $3,554
20×30 600 $3,702

How Many Squares is a Yard of Concrete?

One cubic yard of concrete: 4-inches thick – covers 81 square feet. 5-inches thick – covers 65 square feet.

How many yards of concrete do i need for a 10×10 slab? 1.

How many yards of concrete do i need for a 12×12 slab? Regarding this, “how much concrete do i need for a 12×12 slab?”, at 4 inches thick, generally you will need approximately 1.76 cubic yards or 47.52 cubic feet or 1.35 m3 (either 104 bags of 60lb or 80 bags of 80lb) of premixed concrete for a 12×12 slab, at 5 inches thick slab, 2.22 cubic yards or 59.90 cubic feet or .

How Many Yards of Concrete Do I Need for a 24×24 X4 Slab?


How do I calculate how much concrete I need for a slab?

  1. Measure the area in feet.
  2. Multiply length by width, and then by thickness.
  3. Divide the resulting number by 27 to find cubic yards.

How big of a slab can you pour with 1 yard of concrete? A concrete slab that’s 8′ x 10′ x 4″ thick will take 1 yard of concrete.

Can I Pour Concrete Directly on Dirt?

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

How Do You Calculate Square Feet into Yards?

How do you calculate square feet into yards? You can convert square feet to square yards or the reverse with a simple method. You must divide the area value by 9. It is all that you need to convert the area from square feet to square yards. For example, to convert 27 square feet to square yards, you must divide 27 by 9.

How do you calculate yards? Measure the length and width of your area in yards, or convert already-known measurements into yards if necessary. Then multiply length × width to find the area in square yards.

Square Yard to Square Foot Conversion Table

Square Yards Square Feet
1 sq yd 9 sq ft
2 sq yd 18 sq ft
3 sq yd 27 sq ft
4 sq yd 36 sq ft

How to Find Square Yards Using Measurements in Feet

  1. Multiply the length in feet times the width in feet to find square footage.
  2. Divide the square footage area by 9 to find square yards.