Why 145 lb per cubic foot?

That's a commonly used average density for compacted hot-mix asphalt; actual density can range roughly 140-150 lb/cu ft depending on the specific asphalt mix used.

How thick should a residential driveway be?

Typical residential asphalt driveways use 2-3 inches over a compacted gravel base, while driveways expecting heavier vehicles may use 3-4 inches.

Asphalt Driveway Calculator

Estimate the tonnage of hot-mix asphalt needed to pave a driveway based on its area and desired thickness, using a standard asphalt density figure. Useful for budgeting or checking a paving contractor's estimate.

Inputs

Results

Asphalt Needed: 10.88 tons

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Formula

Tons = (Area × Thickness(ft) × 145 lb/cu ft) / 2,000

Learn How This Works

Foundation and Sitework Estimates: Footings, Excavation, and Paving

How to estimate concrete footings, excavation volume, retaining wall concrete, and asphalt driveway tonnage before groundwork begins.

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