Asphalt Calculator (Tons & Hot Mix)
Calculate asphalt tons and paving volume for driveways, roads, and resurfacing projects.
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How to Use the Asphalt Calculator
- 1Input the length and width of the driveway or parking area in feet.
- 2Input the compacted asphalt thickness in inches (typically 2 to 3 inches).
- 3Specify your asphalt density (default 145 lbs/cu ft or 2.0 tons per cubic yard).
- 4Review the total asphalt tons needed plus estimated material costs.
Formula & How It Works
Asphalt Weight Formula
Multiply surface area in square feet by thickness in feet to obtain volume in cubic feet. Multiply volume by 145 lbs/cu ft density, then divide by 2,000 for US short tons.
Worked Examples
Standard Residential Driveway
Input: 60 ft length × 12 ft width × 2.5 in thickness
Explanation: 60 × 12 × (2.5/12) = 150 cu ft. (150 × 145) / 2000 = 10.875 tons.
Parking Stall Section
Input: 18 ft × 9 ft × 3 in thickness
Explanation: 18 × 9 × 0.25 = 40.5 cu ft. (40.5 × 145) / 2000 = 2.94 tons.
Frequently Asked Questions
How thick should asphalt be on a residential driveway?▼
A standard residential driveway typically requires 2 to 3 inches of compacted hot-mix asphalt laid over a 4 to 6-inch crushed aggregate sub-base.
How much does a ton of asphalt cover?▼
One ton of asphalt covers approximately 80 square feet at 2 inches thick, or about 53 square feet at 3 inches thick.
How long must asphalt cure before driving on it?▼
New asphalt should cure for at least 24 to 48 hours before parking passenger cars, and up to 30 days before heavy equipment is driven onto it.
Does this include a waste margin?▼
Yes, you can toggle an optional 5% to 10% safety margin for irregular edges and site variations.
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