Calculators
Asphalt Paving Calculator
Calculate tons of asphalt for a driveway or car park from area and thickness, plus material cost.
- Runs in your browser
- Nothing uploaded
The tool
Enter your numbers below. Results update as you type, and nothing leaves your browser.
Everything you enter stays on your own machine. Nothing is sent to us or to anyone else, which you can confirm in your browser network tab.
What people use it for
- Estimating a driveway or car park
- Comparing paving quotes
- Ordering hot mix
- Budgeting resurfacing
About this tool
What the Asphalt Paving Calculator does
Asphalt is ordered by weight. Multiply the area by the compacted thickness to get volume, then by the density of the mix, about 145 lb per cubic foot for typical hot mix. That works out at roughly 110 to 115 lb per square yard per inch of thickness.
Formula
- Volume = length × width × thickness ÷ 12
- Tons = volume × density ÷ 2,000 × (1 + waste)
- Cost = tons × price per ton
Worked example
Using the starting values in the calculator above:
| Input | Value |
|---|---|
| Length | 60 ft |
| Width | 20 ft |
| Compacted thickness | 3 in |
| Density | 145 lb per cu ft |
| Waste allowance | 5% |
| Price per ton | $120 |
| Result | Value |
|---|---|
| Asphalt needed | 22.8 |
| Material cost | $2,741 |
| Area | 1,200 |
| Area | 133.3 |
How to read the result
Residential driveways are often 2 to 3 inches of asphalt over a compacted gravel base; heavier traffic needs more.
Base preparation and drainage determine how long the surface lasts as much as the asphalt does.
Quantities are estimates. Check product data sheets and local codes, and confirm with your supplier before ordering.
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Questions
Questions about this tool
The things clients actually want to know — costs, timelines, ownership and what happens after launch.
Multiply area by thickness to get cubic feet, multiply by about 145 lb, and divide by 2,000.
Often 2 to 3 inches of compacted asphalt over a gravel base for cars.
Hot mix asphalt is commonly about 145 lb per cubic foot once compacted.
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