Asphalt Weight Calculator

Calculate the exact weight of asphalt needed based on volume, density, and material specifications.

Weight Calculator

Standard Hot Mix

140 lbs/ft³

Dense-Graded Mix

145 lbs/ft³

Open-Graded Mix

135 lbs/ft³

Modified Asphalt

147 lbs/ft³

Volume

0 ft³

Weight (Pounds)

0 lbs

Weight (Tons)

0 tons

Weight (Metric Tons)

0 MT

How Weight Calculation Works

Weight = Volume × Density

Volume (ft³) × Density (lbs/ft³) = Weight (lbs)

Understanding Weight Calculation

Weight calculation is crucial for determining the total mass of asphalt required for your project. This calculation helps with:

  • Transportation Planning: Determining truck capacity and number of loads
  • Equipment Selection: Choosing appropriate handling equipment
  • Structural Analysis: Ensuring foundations can support the load
  • Cost Estimation: Many suppliers price asphalt by weight (tons)
  • Project Scheduling: Planning delivery and installation timing

Asphalt Density Reference Table

Asphalt Type Density (lbs/ft³) Typical Applications
Standard Hot Mix Asphalt 140-145 General road construction, driveways
Dense-Graded Mix 145-150 Heavy traffic roads, highways
Open-Graded Mix 130-140 Drainage layers, porous surfaces
Modified Asphalt 143-147 High-performance applications
Recycled Asphalt (RAP) 135-145 Sustainable construction projects

📝 Example Calculation

Project: Parking lot section

  • Length: 100 feet
  • Width: 20 feet
  • Thickness: 4 inches (0.33 feet)
  • Density: 145 lbs/ft³ (Dense-graded mix)

Calculation:

  1. Volume = 100 × 20 × 0.33 = 660 ft³
  2. Weight = 660 × 145 = 95,700 lbs
  3. Weight in tons = 95,700 ÷ 2,000 = 47.85 tons

Result: You need 47.85 tons of asphalt

💡 Pro Tips for Accurate Weight Calculation

  • Always confirm the exact density with your asphalt supplier
  • Consider temperature effects - hot asphalt weighs less than cold asphalt
  • Account for compaction - loose asphalt weighs less than compacted asphalt
  • Check local regulations for weight limits on delivery trucks
  • Add 3-5% extra for waste and compaction losses

Factors Affecting Asphalt Weight

  • Aggregate Type: Different stone types have varying densities
  • Gradation: Fine vs. coarse aggregate ratios affect density
  • Binder Content: Amount of asphalt cement affects overall weight
  • Temperature: Hot asphalt expands and weighs less per unit volume
  • Compaction Level: Compacted asphalt is denser than loose material
  • Moisture Content: Wet aggregates increase overall weight

Weight vs. Volume Considerations

Understanding the relationship between weight and volume is essential:

  • Volume determines the space to be filled
  • Weight determines transportation and handling requirements
  • Density is the critical link between volume and weight
  • Always verify density values with your specific material supplier