Calculate the number of bags.
Volume of concrete per 25kg bag.
0 77 0 6 1 3 80 pound bags of concrete per post hole.
Yields are approximate and will vary based upon placement methods equipment utilized and do not include allowance for uneven subgrade waste etc.
Here is the table showing the different types of concrete as well as the density or weight per cubic meter m3.
The loss is then calculated by adding the defined to the total.
We love to stir fry and mix things up here with all sorts of internet businesses.
By dividing the estimated concrete volume needed for a project by the stated volume the required number of bags for the project can be determined.
You can use this concrete calculator to help you determine the number of bags of quikrete concrete mix mortar mix or fast setting concrete you will need for the following projects.
Number of bags density of the concrete volume of the slab weight bag.
The weight of concrete.
Perfect for slabs walls columns tubes curbs and stairs just to name a few.
Generally dry blended concrete is sold in 25kg bags.
Complex areas can be broken down into small sections.
How many bags of concrete do i need.
The estimated concrete volume for driveway slab 1 65 m 3 using 25 kg bags of dry blended concrete each producing say 0 010 m 3 of.
The addition of 1 6 1 8 litres of water to a 20kg bag of hi strength 36 will produce around 11 5 litres of concrete.
How much concrete do i need.
Quick to set concrete 20kg bag as a guide for posts up to 1 8m in length use two 20kg bags.
All calculations are rounded up to the next highest whole bag.
Aim to determine volume of concrete per bag of cement where nominal maximum size of aggregate does not exceed 38 mm.
Pre mix concrete bag calculator calculated at 2160 kg per 1m allow extra for waste cubic metres 20 kg bags 25 kg bags 30 kg bags 40 kg bags per bag.
Concrete volume hole volume post volume 1 03 0 26 0 77 cubic feet per post hole.
Concrete mixes the calculator will indicate the estimated number of 25 kg or 30 kg bags of quikrete concrete mix needed to build a 3 4 or 6 slab with a typical waste factor.
