Easily convert square feet to tons of asphalt with our calculator. Enter area, thickness, and density to find out how many tons of asphalt you need for your driveway or paving project.
When planning a driveway, parking lot, or road construction, knowing how much asphalt you’ll need is critical for budgeting and material planning. Asphalt is typically ordered in tons, while project dimensions are usually measured in square feet and thickness.
This calculator helps you convert square feet to tons of asphalt by considering the area, thickness, and asphalt density.
Formula
1. Convert Area × Thickness into Volume (in cubic feet)
Volume (cubic ft)=Area (sq. ft)×12Thickness (inches)
2. Convert Volume into Weight (tons)
Since asphalt density is usually given in tons per cubic foot,
Asphalt (tons)=Volume (cubic ft)×Asphalt Density (tons per cubic ft)
If density is given in tons per cubic yard, then convert:
Asphalt (tons)=27Volume (cubic ft)×Asphalt Density (tons per cubic yard)
🧮 Example Calculation
- Area = 5,000 sq. ft
- Thickness = 3 inches
- Asphalt Density = 145 lbs per cubic ft = 0.0725 tons per cubic ft
Step 1: Volume
Volume=5000×123=5000×0.25=1250cubic ft
Step 2: Convert to Tons
Asphalt (tons)=1250×0.0725=90.625tons
✅ Final Answer: You will need ≈ 91 tons of asphalt.
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