Multiply the width and height of your retaining wall by 12 to give the total cubic feet of backfill gravel that will need to be ordered.
How to estimate concrete retaining wall.
Retaining wall block options.
So volume of retaining wall volume of base slab volume of stem.
Here i have divided the retaining wall into two parts part a is the base slab and part b is the stem of retaining wall.
Retaining walls footings or any other volume of concrete.
For example you can estimate a 10 wide by 2 high retaining wall and observe the materials required.
To use the concrete wall calculator simply enter the width length and thickness of your pour.
Enter length and height in feet and thickness in inches.
Measure the length width and height of the void in inches then multiply to get the cubic inches of the void.
Enter the height feet.
Input length and width of the area.
This calculator is to be used as an estimating tool only.
Now we have to calculate the volume of concrete in retaining wall and raft foundation.
Width 900mm from bottom 300mm from top.
Enter the thickness inches.
To figure out how many rows you ll need divide the ideal wall height by the height of the block.
Estimate the retaining wall cost by adding the price per block.
If you re building a concrete block wall then check out our concrete block calculator.
Volume length x average width x height 10 x 0 9 0 3 2 x 5 30 cum.
To calculate the volume of retaining wall we need to calculate the volume of retaining wall.
To simplify the process use our paver calculator to find out how many blocks you ll need.
Concrete is ordered by volume in cubic yards.
Make sure to account for the first row being half buried.
To calculate the volume of concrete in retaining wall we have to find out the following things from drawings.
Estimate the amount of gravel needed to pack the trench at the base of the retaining wall.
The calculator will automatically estimate the number of cubic yards of concrete that will be required.
To estimate how many blocks you ll need per row divide the total length of the wall by the length of the block.
V l x h x t.
Depending on the typical climate for your location your retaining wall should have around 12 of gravel right behind the entire width and height of your wall to facilitate proper drainage.
Volume of base slab l x b x h 10 x 3 x 0 2 6 m.
Multiply the cubic inches by the number of voids in the wall typically 2 per block.
Finally divide cubic inches by 46 656 to find cubic yards of concrete needed.
For retaining wall.
Enter the length feet.
Click the button to calculate the volume of concrete and man hours not including mixing needed for this job.
How many retaining wall blocks do you need.