How Much Concrete for a 24×30 Slab?
The answer
9.78 cubic yard
For a 24×30 ft slab at 4" depth, with 10% overage included. Estimated cost: $1,613 at US national average pricing.
Calculate Concrete
Common projects
You need
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cubic yard
- Area
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- Volume
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- With 10% overage
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- Or in 60 lb bag
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- Estimated cost (US avg)
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How we calculated this
- 1. Area: 24 × 30 = 720 sq ft
- 2. Volume: 720 × (4/12) = 240 cubic feet
- 3. Convert + overage: Add 10% for waste → 9.78 cubic yard
- 4. Cost: 9.78 × $165.00 ≈ $1,613