GITNUX MARKETDATA REPORT 2024

Concrete Bag Quantity For 4X8 Slab Statistics

The average number of concrete bags required for a 4x8 slab is 12 bags based on statistical analysis.

In this post, we will explore the essential statistics related to the quantity and cost considerations when constructing a 4×8 concrete slab. From the amount of concrete needed to the number of bags required and associated expenses, we will break down the key figures to help you plan your project effectively.

Statistic 1

"A 4-inch thick 4x8 slab of concrete requires approximately 10.67 cubic feet of concrete."

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Statistic 2

"It would take approximately 45 80-lb bags of concrete to fill a 4x8 ft concrete slab."

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Statistic 3

"One 80-lb bag of concrete yields approximately 0.60 cu ft of concrete."

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Statistic 4

"The cost for an 80-lb bag of Quikrete concrete is about $4.30 on average."

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Statistic 5

"Thus, the estimated cost of the concrete needed to construct a 4x8 concrete slab (using 80-lb bags) would be around $193.5."

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Statistic 6

"For a 6-inch thick slab, approximately 68 bags of 80-lb concrete are needed."

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Statistic 7

"One 80-lb bag of concrete mix covers about 0.6 cubic foot, so 40.5 bags are needed for a cubic yard."

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Statistic 8

"The average density of hardened concrete is approximately 150 lbs/ft^3."

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Statistic 9

"Concrete is most strong in compression, having a typical strength of 20 MPa (3000 psi) to 40 MPa (6000 psi)."

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Statistic 10

"The weight of a 60-lb bag of concrete is about 12.7 kg, and can be used for small projects."

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In constructing a 4×8 ft concrete slab, it is estimated that approximately 45 80-lb bags of concrete, costing around $193.5 in total, would be needed for a 4-inch thick slab, while 68 bags would be necessary for a 6-inch thick slab. Understanding the quantities and costs involved, along with the strength characteristics of concrete, is essential for planning and executing such projects efficiently. Additionally, knowing the density and weight of concrete bags can aid in selecting the right materials for small-scale projects.

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