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

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

How many yards of concrete per square foot?

According to the table above, one cubic yard of concrete placed at a thickness of 5-inches covers 65 square feet. In a perfect universe, our 1,080 square foot driveway will need exactly 16.62 cubic yards of concrete (1,080 square feet / 65 square feet equals 16.62 cubic yards).

How to calculate the yardage of a bag of concrete?

To convert the cubic inches to cubic feet divide your result by 1728. 6783/1728 = 3.93 cubic feet. You can use this measurement to figure out how many bags of concrete to use. If you divide 3.93 cubic feet by 27 (3.93/27) = .146 cubic yards. Dividing cubic feet by 27 (a cubic yard) will give you the concrete yardage.

How to calculate the square footage of a concrete slab?

Conversion in other common units: Volume in Cubic Yards (yd3) = Volume in Cubic Feet (ft3) / 27 Volume in Cubic Meters (m3) = Volume in Cubic Feet (ft3) x 0.0283 Pi = 3.14 Circular Slab Outer Diameter (d1):metersfeetinchesyardsmillimeterscentimeters Inner Diameter (d2):metersfeetinchesyardsmillimeterscentimeters

How big is a 40 lb bag of concrete?

bag of concrete will yield 0.37 cubic feet (or 1.11 square feet @ 4″ thick) A 40 lb. bag of concrete will yield 0.30 cubic feet (or 0.90 square feet @ 4″ thick) Home

How to calculate the volume of a cubic yard of concrete?

A cubic yard is equal to 27 cubic feet or 46,656 cubic inches, or 45 80lb bags. Use the following formulas to calculate the concrete needed for various types of pours. The volume for a rectangular space is equal to the length times the width times the height. For slabs, substitute the thickness for the height measurement.

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