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According to our concrete slab material estimator, the average minimum cost per square foot of a concrete slab is $1.36 and the maximum is $1.88. By comparison, the price per square foot for a cement slab is $5.50. Just know that even if you do not hire a pro, there are additional costs that come with all concrete slab projects.
Concrete Costs & Prices We have collected data nationwide to help calculate the average cost of concrete in the US. The following are average costs and prices reported back to us: $6.40 per square foot (4 inch reinforced slab on grade) (Range: $6.02 - $6.77) $8.21 per square foot (6 inch reinforced slab on grade) (Range: $6.75 - $9.67)