This concrete calculator also calculates cubic meters.
How to estimate concrete floor slab.
This calculator is to be used as an estimating tool only.
Steps to estimate cubic yards measure the length width and height of the slab footing or column.
To get started enter the dimensions of your space.
Try out our concrete calculator.
Thus your cost to pave a 2 car driveway of 16 feet wide and 40 feet long 640 sq ft will be about 3 200 3 520.
This free concrete calculator estimates the amount of concrete necessary for a project and can account for different shapes and amounts of concrete.
Calculating the amount of concrete needed for slabs including odd shapes rule of thumb.
Input length width and depth of the area.
Next multiply the surface area by the thickness of the slab.
Concrete is sold in cubic yards 27 square feet so you will need to multiply your square footage from step 1 by the depth of slab then divide by 27.
You ll see both cubic yards and cubic meters in the answer area.
If your slab has sides of unequal measurement or has cutout areas that will not be poured with concrete you ll need to calculate the area of the space to be excluded and then subtract it from the total.
This assumes you have the job evenly graded to the right depth and the grade is well compacted.
Just plug in the numbers make sure you choose meters and hit calculate.
For example a 10 foot by 10 foot slab would require 1 3 yards of concrete.
The average cost of a concrete slab 6 inches thick is 5 00 5 50 per square foot including materials and labor.
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Calculate the amount of concrete you will need.
Enter your length width and thickness then hit calculate and you ll see how many cubic yards you need.
This is equal to 10x10x 33 feet 27.
It s a reliable concrete estimator so you ll know how much mix you need for each and every concrete slab.
Click the button to calculate the volume of concrete and man hours not including mixing needed for this job.