To use the concrete wall calculator simply enter the width length and thickness of your pour.
How to estimate concrete retaining wall.
Make sure to account for the first row being half buried.
Now we have to calculate the volume of concrete in retaining wall and raft foundation.
Use our block fill calculator to estimate the fill volume.
Finally divide cubic inches by 46 656 to find cubic yards of concrete needed.
For retaining wall.
To calculate the volume of retaining wall we need to calculate the volume of retaining wall.
If you re building a concrete block wall then check out our concrete block calculator.
Enter the height feet.
Width 900mm from bottom 300mm from top.
Click the button to calculate the volume of concrete and man hours not including mixing needed for this job.
Estimate the retaining wall cost by adding the price per block.
To simplify the process use our paver calculator to find out how many blocks you ll need.
To estimate how many blocks you ll need per row divide the total length of the wall by the length of the block.
This calculator is to be used as an estimating tool only.
Input length and width of the area.
To calculate the volume of concrete in retaining wall we have to find out the following things from drawings.
So volume of retaining wall volume of base slab volume of stem.
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.
Retaining wall block options.
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.
Enter length and height in feet and thickness in inches.
Enter the length feet.
The calculator will automatically estimate the number of cubic yards of concrete that will be required.
Concrete is ordered by volume in cubic yards.
V l x h x t.
Measure the length width and height of the void in inches then multiply to get the cubic inches of the void.
For example you can estimate a 10 wide by 2 high retaining wall and observe the materials required.
How many retaining wall blocks do you need.
Estimate the amount of gravel needed to pack the trench at the base of the retaining wall.
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.
Multiply the cubic inches by the number of voids in the wall typically 2 per block.
Retaining walls footings or any other volume of concrete.
At lowe s we have several retaining wall block options to choose from.
Enter the thickness inches.
If the wall is l feet long h feet high and t inches thick then the trench needs to be l feet long 0 12h feet deep and 2t inches wide.