Length x width x thickness.
How to estimate concrete flooring.
40 pound bag yields 011 cubic yards.
However the price can go up to 9 10 per square foot depending on numerous factors and enhancement costs.
The average cost of a concrete slab 6 inches thick is 5 00 5 50 per square foot including materials and labor.
Simply multiply the volumetric quantity of sand and gravel with 1400 kg m 3 bulk density of sand and 1600 kg m 3 bulk density of stone respectively when calculating in metric units.
Use the following yields per each bag size.
You can also estimate the quantity of sand and gravel required by weight.
Our mix on site concrete calculation is based on batching by volume large construction sites employ batching by weight which is more exact.
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To determine how many bags of concrete you will need divide the total cubic yards needed by the yield.
Across the us homeowners report that ready mix concrete costs about 98 99 per cubic yard.