If the dirt isn t perfectly level you re going to have some areas thicker and some thinner than.
How to figure concrete yardage for walls.
Concrete yardage calculator to help you calculate cubic yardage for concrete floors walls footings and cylinders.
The calculator will automatically estimate the number of cubic yards of concrete that will be required.
Click the button to calculate the volume of concrete and man hours not including mixing needed for this job.
To figure concrete yardage start by breaking your project up into multiple rectangular prisms.
Bags of concrete to buy.
Calculate volume of square slab calculator use.
When you calculate concrete for your job it s important to check the level of the sub grade and come up with an average thickness.
The best way to calculate how much concrete you re going to need in cubic yards is to do the following.
Concrete is ordered by volume in cubic yards.
Then convert all of the measurements for each prism to the same unit and find the volume of each prism by multiplying its length width and height.
Calculate volumes for concrete slabs walls footers columns steps curbs and gutters.
Give these calculations to your ready mix supplier or use them to estimate how many 40 60 or 80 lb.
Enter the thickness width and length to find the number of cubic yards or bags of concrete needed for your project.
Calculate the volume of the area after determining the shape of the area see the chart below by multiplying in the thickness of the concrete.
If the area is complex or if multiple pours are needed break the project into smaller pieces and calculate the concrete needed for each individually.
To use the concrete wall calculator simply enter the width length and thickness of your pour.
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.
This calculator is to be used as an estimating tool only.
Please enter length in foot.
Input length and width of the area.