Convert square feet to cubic yards of concrete

Here we will show you how to convert 240 square feet to cubic yards (240 sq ft to cu yds). Before we continue, note that square feet is an area measurement, and cubic yards is a volume measurement. You need the height or depth of the square feet area to find the volume. Also note that square feet can be shortened to ft², and cubic yards can be shortened to yds³.

When converting 240 square feet to cubic yards, the height or the depth of the 240 square feet area can be of concrete, mulch, gravel, dirt, or something like that.


One foot is 1/3 of a yard, one square foot is 1/9 of a square yard, and one cubic foot is 1/27 of a cubic yard. Furthermore, there are 12 inches in a foot. Therefore, to convert 240 square feet (ft²) to cubic yards (yds³), we use the following formula:

(ft² × (height ÷ 12)) ÷ 27 = yds³

The height is the height or depth of the square feet area in inches. So for example, if the height of your 240 square feet area is 1 inch, then this is how you would calculate 240 square feet to cubic yards using our formula:

(ft² × (height ÷ 12)) ÷ 27 = yds³
(240 × (1 ÷ 12)) ÷ 27 ≈ 0.741
240 square feet ≈ 0.741 cubic yards


Below is a list of 240 square feet converted to cubic yards using our formula with different heights. As you can see, answers are rounded if necessary.

1 inch → 240 ft² ≈ 0.741 yds³

2 inches → 240 ft² ≈ 1.481 yds³

3 inches → 240 ft² ≈ 2.222 yds³

4 inches → 240 ft² ≈ 2.963 yds³

5 inches → 240 ft² ≈ 3.704 yds³

1/2 foot → 240 ft² ≈ 4.444 yds³

1 foot → 240 ft² ≈ 8.889 yds³

2 feet → 240 ft² ≈ 17.778 yds³

You can convert 240 square feet to cubic yards with any height (depth) of inches below. Simply type in the height in inches and press Calculate.

Square Feet to Cubic Yards Converter
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241 square feet to cubic yards
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Calculate a Rectangle Area

Calculator Use

Calculate cubic yards volume for landscape material, mulch, fill, gravel, cement or containers. Enter dimensions in US units (inches or feet) or metric units (centimeters or meters) to calculate the cubic yards, cubic feet and cubic meters. Also calculate the cost of materials when you enter the price per cubic foot, price per cubic yard or price per cubic meter.

Enter measurements in US units or metric units. Calculate volume from your measurements in inches (in), feet (ft), yards (yd), centimeters (cm), or meters (m). You can also enter decimal values. For example, if you have one measurement that is 7'3" you can enter that as 7.25 feet (3"/12" = 0.25 ft). If you have a measurement of 245 cm you can also enter that as 2.45 m.

If you have an area in square feet you can still calculate cubic yards. In the calculator, select Rectangle. Enter your square feet in the Length field, and enter "1" in the Width field. Enter how deep you want the fill in the Depth field. Click "Calculate" and your answer will be shown in cubic yards.

How to Calculate Cubic Yards using feet and inches

Measure

  • Measure your area in feet
  • Determine the depth of your material, say mulch, that you will put on this area generally using depth in inches

Convert all of your measurements to feet

  • If you measured in feet only skip to "Calculate"
  • If you measured in feet & inches, divide inches by 12 and add that to your feet measure to get total feet
  • If you measured in inches only, divide inches by 12 and that is your measurement in feet

Calculate Cubic Yards

  • Calculate your area
  • Calculate your volume: Multiply area times the depth to get volume in cubic feet
  • Calculate your cubic yards: Divide cubic feet by 27 to convert to cubic yards and this is your answer
  • Where ft2 = square foot, ft3 = cubic foot, yd3 = cubic yard

Cubic Yards Formulas and Area Calculations

Square Area

Calculate cubic yards using depth in a square area

Using measurements in feet:

Area ft2 = 2 x Side Length

Volume ft3 = Depth x Area

Volume in Cubic Yards yd3 = Volume ft3 / 27

Rectangle Area

Calculate cubic yards using depth in a rectangle area

Using measurements in feet:

Area ft2 = Length x Width

Volume ft3 = Depth x Area

Volume in Cubic Yards yd3 = Volume ft3 / 27

Rectangle Border Area

Calculate cubic yards using depth in a rectangle border area

Using measurements in feet:

Inner Area (ft2) = Length x Width

Total Area (ft2) = (Length + (2 x Border Width)) x (Width + (2 x Border Width))

Area (ft2) = Total Area - Inner Area

Volume (ft3) = Depth x Area

Volume in Cubic Yards (yd3) = Volume (ft3) / 27

Circle Area

Calculate cubic yards using depth in a circle area

Using measurements in feet:

Area (ft2) = Pi x (Diameter/2)2

Volume (ft3) = Depth x Area

Volume in Cubic Yards (yd3) = Volume (ft3) / 27

Pi = 3.14

Circle Border Area

Calculate cubic yards using depth in a circle border area

Using measurements in feet:

Outer Diameter = Inner Diameter + (2 x Border Width)

Outer Area (ft2)
= Pi x (Outer Diameter/2)2

Inner Area (ft2)
= Pi x (Inner Diameter/2)2

Area (ft2) = Outer Area - Inner Area

Volume (ft3) = Depth x Area

Volume in Cubic Yards (yd3) = Volume (ft3) / 27

Pi = 3.14

Obviously, the Circle Border and Annulus are the same, just measured differently.

Annulus Area

Calculate cubic yards using depth in an annulus area

Using measurements in feet:

Outer Area (ft2)
= Pi x (Outer Diameter/2)2

Inner Area (ft2)
= Pi x (Inner Diameter/2)2

Area (ft2) = Outer Area - Inner Area

Volume (ft3) = Depth x Area

Volume in Cubic Yards (yd3) = Volume (ft3) / 27

Pi = 3.14

Obviously, the Circle Border and Annulus are the same, just measured differently.

Triangle Area

Calculate cubic yards using depth in a triangle area

Using measurements in feet:

Area (ft2) = (1/4) x square root[ (a+b+c) x (b+c-a) x (c+a-b) x (a+b-c) ]

Volume (ft3) = Depth x Area

Volume in Cubic Yards (yd3) = Volume (ft3) / 27

Trapezoid Area

Calculate cubic yards using depth in a trapezoid area

Using measurements in feet:

Area (ft2) = ((a + b) / 2 )h

Volume (ft3) = Depth x Area

Volume in Cubic Yards (yd3) = Volume (ft3) / 27

Follow CalculatorSoup:

How many sq ft are in a cubic yard?

Regarding this, “how many square feet are in 1 cubic yard?”, there are 108 square feet coverage in 1 cubic yard of material for standard depth or height of 3 inches deep. Mathematical calculation such as square feet = (Cubic yards × 27) ÷ Height or Depth in feet, square feet = (1×27) ÷ (3/12) = 108 sq ft.

How many cubic yards is 1000 square feet?

As per thumb rule and guidelines, for 1000 sq. ft. or (25 ×40) slab at 4 inch thickness, you will need approximately 12.5 cubic yards of concrete and at 5 inch thickness 15.5 yards of concrete you would required. Maths calculation:- 1) at 4 inch thickness, concrete quantity = 1000÷80= 12.5 cu. yd.

How do I calculate cubic yards for concrete?

Just follow these steps: Measure the area in feet. Multiply length by width, and then by thickness. Divide the resulting number by 27 to find cubic yards.

How do you convert feet into concrete yards?

Length in Feet X Width in feet x depth in feet (inches divide by 12 to convert to feet) then divide by 27 to get cubic yardage. Approximate compaction factor 15% - multiply by 1.15 to get total yardage.

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