Concrete Calculator › 30×30 slab
Concrete for a 30×30 Slab at 6 inches
A 30×30 slab (900 sq ft) at 6 inches needs about 16.67 cubic yards of concrete — roughly $2,500. See the full breakdown.
You need
16.67 cu yd
Estimated material cost $2,500
Area
900 sq ft
Volume
450.0 cu ft
80-lb bags
750
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Adjust for your project
You need
16.67 cu yd
Estimated material cost $2,500
Area
900 sq ft
Volume
450.0 cu ft
80-lb bags
750
Based on $150 per cuyd national average. Enter your local price for an exact quote. Estimate only.