How Much Concrete for a 12×24 Slab?

The answer

3.91 cubic yard

For a 12×24 ft slab at 4" depth, with 10% overage included. Estimated cost: $645 at US national average pricing.

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You need

—

cubic yard

Area: —
Volume: —
With 10% overage: —
Or in 60 lb bag: —
Estimated cost (US avg): —

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How we calculated this

1. Area: 12 × 24 = 288 sq ft
2. Volume: 288 × (4/12) = 96 cubic feet
3. Convert + overage: Add 10% for waste → 3.91 cubic yard
4. Cost: 3.91 × $165.00 ≈ $645

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