How Much Limestone for a 20×40 Driveway?
The answer
16.3 ton
For a 20×40 ft driveway at 6" depth, with 10% overage included. Estimated cost: $619 at US national average pricing.
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You need
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- Area
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- Volume
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- With 10% overage
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- Estimated cost (US avg)
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How we calculated this
- 1. Area: 20 × 40 = 800 sq ft
- 2. Volume: 800 × (6/12) = 400 cubic feet
- 3. Convert + overage: Add 10% for waste → 16.3 ton
- 4. Cost: 16.3 × $38.00 ≈ $619
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