1. What is Asphalt Weight per Square Foot Calculator?

Definition: This calculator estimates the weight of asphalt in tons per square foot based on the depth of asphalt and its density.

Purpose: It helps construction professionals and paving contractors determine how much asphalt is needed for projects based on area measurements.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( T_{sf} \) — Tons of asphalt per square foot
• \( D \) — Depth of asphalt (feet)
• \( \rho \) — Density of asphalt (pounds per cubic foot)
• 2000 — Conversion factor (pounds to tons)

Explanation: The depth is multiplied by density to get weight per square foot in pounds, then converted to tons.

3. Importance of Asphalt Weight Calculation

Details: Accurate weight estimation ensures proper structural support, material ordering, and project cost estimation.

4. Using the Calculator

Tips: Enter the asphalt depth in feet and density in lb/ft³ (default 145 lb/ft³ for hot mix asphalt). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What's the typical density of asphalt?
A: Hot mix asphalt typically weighs about 145 lb/ft³, but can range from 140-150 lb/ft³ depending on mix design.

Q2: How do I convert this to total project weight?
A: Multiply the result by your total square footage to get total tons needed.

Q3: What depth should I use for driveways vs roads?
A: Residential driveways typically use 2-3 inches (0.167-0.25 ft), while roads may use 4-6 inches (0.33-0.5 ft) or more.

Q4: Why divide by 2000?
A: There are 2000 pounds in a ton, so this converts the weight from pounds to tons.

Q5: Does this include compaction factor?
A: No, the density value should account for compacted asphalt. For loose asphalt, use a lower density value.