Free Online Tool

Asphalt Calculator — Estimate Paving Materials

Calculate asphalt volume, weight in tons, compaction factor, truck loads, and cost for driveways, parking lots, and paving projects.

2
Asphalt Types
2
Measurement Systems
100%
Free to Use
Instant
Material Estimate

Enter Paving Details

Measurement System
Project Shape
(1.15–1.25 typical)

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Enter your paving dimensions and click Calculate to see asphalt estimates.

Frequently Asked Questions

An asphalt calculator estimates the volume, weight in tons, and cost of asphalt for paving projects. It accounts for compaction (asphalt compacts approximately 15–25% from loose to finished state) and calculates how much material you need to order.
For residential driveways, 2–3 inches of asphalt over a 6–8 inch compacted gravel base is standard. For heavy vehicle traffic or commercial applications, use 4–6 inches. The total pavement structure (base + asphalt) should be designed for the expected loads.
A cubic yard of asphalt weighs approximately 3,500 to 3,900 pounds (1.75 to 1.95 tons). The exact weight depends on the mix design and aggregate type. Dense-graded mixes are heavier than open-graded mixes. The calculator uses a default density of 130 lb/cu ft.
Asphalt paving is fresh hot-mix asphalt made from aggregate and binder. Asphalt millings are recycled from old pavement, crushed and graded for reuse. Millings are cheaper and eco-friendly but may not be suitable for high-traffic areas. Both require proper compaction during installation.
To estimate tons, calculate the volume in cubic feet, multiply by the density (typically 130 lb/cu ft for asphalt), then divide by 2,000. For a 10ft × 20ft driveway at 3 inches thick: 10 × 20 × 0.25 = 50 cu ft, × 130 = 6,500 lbs, ÷ 2,000 = 3.25 tons.
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