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Asphalt Calculator

Estimate the tonnage of asphalt needed for a driveway or paving project.

Inputs

Saved Scenarios

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Asphalt Needed (tons)

12.08

Spark says

How it's calculated

Formula

Tons=Area×Thicknessin×14524,000Tons = \dfrac{Area \times Thickness_{in} \times 145}{24{,}000}
145
— Typical asphalt density in lb per cubic foot
24{,}000
— 12 in/ft × 2,000 lb/ton

What is the Asphalt Calculator?

Asphalt is ordered by weight (tons), so this calculator converts area and thickness into a volume, then applies a typical compacted asphalt density to estimate tonnage.

How to use it

  1. 1 Enter the total paving area.
  2. 2 Enter your target compacted thickness.

Worked examples

1,000 sq ft driveway, 2" thick

About 12.08 tons of asphalt needed.

Try it

Limitations

  • •Uses a typical 145 lb/cu ft density — actual asphalt mix density varies by aggregate type and mix design, so confirm with your supplier for large orders.

Frequently asked questions

How thick should a residential driveway be?

Residential driveways commonly use 2-3 inches of asphalt over a compacted gravel base; heavier vehicle traffic (commercial, RVs) typically needs more.