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Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. Enter dimensions in US units (inches or feet) or metric units (centimeters or meters) of your concrete structure to get the cubic yards value of the amount of concrete you will need to make this structure. Also enter quantity and price to calculate total volume and cost of materials when you enter the price per cubic foot, price per cubic yard or price per cubic meter.
For example, let's say you have 50 round concrete form tubes, sonic tubes, Sonotubes or cement tubes that you need to fill. They have 4 feet height and 10 inches width (diameter), or 4' x 10".
Square Slab 
Using measurements in feet: Volume in Cubic Feet (ft^{3}) = Width x Length x Depth Volume in Cubic Yards (yd^{3}) = Volume in Cubic Feet (ft^{3}) / 27 Volume in Cubic Meters (m^{3}) = Volume in Cubic Feet (ft^{3}) x 0.0283 


Round Slab 
Using measurements in feet: Area of the Circle (ft^{2}) = Pi x (Diameter/2)^2 Volume in Cubic Feet (ft^{3}) = Depth x Area Volume in Cubic Yards (yd^{3}) = Volume in Cubic Feet (ft^{3}) / 27 Volume in Cubic Meters (m^{3}) = Volume in Cubic Feet (ft^{3}) x 0.0283 Pi = 3.14 

Wall  Using measurements in feet: Volume in Cubic Feet (ft^{3}) = Thickness x Length x Height Volume in Cubic Yards (yd^{3}) = Volume in Cubic Feet (ft^{3}) / 27 Volume in Cubic Meters (m^{3}) = Volume in Cubic Feet (ft^{3}) x 0.0283 

Footer  Using measurements in feet: Volume in Cubic Feet (ft^{3}) = Width x Length x Depth Volume in Cubic Yards (yd^{3}) = Volume in Cubic Feet (ft^{3}) / 27 Volume in Cubic Meters (m^{3}) = Volume in Cubic Feet (ft^{3}) x 0.0283 

Square Column 
Using measurements in feet: Volume in Cubic Feet (ft^{3}) = Width x Length x Height Volume in Cubic Yards (yd^{3}) = Volume in Cubic Feet (ft^{3}) / 27 Volume in Cubic Meters (m^{3}) = Volume in Cubic Feet (ft^{3}) x 0.0283 

Round Column 
Using measurements in feet: Area of the Circle (ft^{2}) = Pi x (Diameter/2)^2 Volume in Cubic Feet (ft^{3}) = Height x Area Volume in Cubic Yards (yd^{3}) = Volume in Cubic Feet (ft^{3}) / 27 Volume in Cubic Meters (m^{3}) = Volume in Cubic Feet (ft^{3}) x 0.0283 Pi = 3.14 

Steps  Using measurements in feet: Number of Steps is the total number of steps including the platform. We calculate the volume in sections from the ground to the top of each section. The platform and each step are each sections. Volume in Cubic Feet Under Platform = Platform Depth x (Rise Height x Number of Steps) x Width Counting steps starting at the bottom step and not including the platform we'll have Step Number 1, Step Number 2, Step Number 3, etc. Volume in Cubic Feet Under Each Step = Run Depth x (Rise Height x Step Number) x Width Total up the step volumes then the total concrete you need is Volume in Cubic Feet = Volume in Cubic Feet Under Platform + Volume in Cubic Feet Under Steps Volume in Cubic Yards (yd^{3}) = Volume in Cubic Feet (ft^{3}) / 27 Volume in Cubic Meters (m^{3}) = Volume in Cubic Feet (ft^{3}) x 0.0283 

Curbs & Gutters 
Using measurements in feet: We calculate the volume in sections from the ground to the top of each section. The Curb and Gutter are each a section. Volume in Cubic Feet Under Curb = Curb Depth x (Curb Height + Flag Thickness) x Length Volume in Cubic Feet Under Gutter = Gutter Width x Flag Thickness x Length Volume in Cubic Feet = Volume in Cubic Feet Under Curb + Volume in Cubic Feet Under Gutter Volume in Cubic Yards (yd^{3}) = Volume in Cubic Feet (ft^{3}) / 27 Volume in Cubic Meters (m^{3}) = Volume in Cubic Feet (ft^{3}) x 0.0283 
Cite this content, page or calculator as:
Furey, Edward "Concrete Calculator" From http://www.CalculatorSoup.com  Online Calculator Resource.