Concrete Calculator › 20×24 slab
Concrete for a 20×24 Slab at 4 inches
A 20×24 slab (480 sq ft) at 4 inches needs about 5.93 cubic yards of concrete — roughly $889. See the full breakdown.
You need
5.93 cu yd
Estimated material cost $889
Area
480 sq ft
Volume
160.0 cu ft
80-lb bags
267
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Adjust for your project
You need
5.93 cu yd
Estimated material cost $889
Area
480 sq ft
Volume
160.0 cu ft
80-lb bags
267
Based on $150 per cuyd national average. Enter your local price for an exact quote. Estimate only.