1. What is an Asphalt per Square Yard Calculator?

Definition: This calculator estimates the weight of asphalt needed per square yard based on the desired depth and asphalt density.

Purpose: It helps construction professionals and paving contractors determine how much asphalt is required for paving projects.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( W_{sy} \) — Weight of asphalt per square yard (pounds)
• \( D \) — Depth of asphalt (inches)
• \( \rho \) — Density of asphalt (pounds per cubic foot)

Explanation: The formula converts depth in inches to feet, calculates volume per square yard, then multiplies by density to get weight.

3. Importance of Asphalt Weight Calculation

Details: Accurate asphalt weight estimation ensures proper material ordering, structural integrity of paved surfaces, and cost control.

4. Using the Calculator

Tips: Enter the desired asphalt depth in inches and asphalt density (default 145 lb/ft³). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What's a typical asphalt density?
A: Most hot mix asphalt weighs about 145 pounds per cubic foot, but this can vary based on mix design and temperature.

Q2: How do I convert this to tons?
A: Divide the result by 2000 to convert pounds to tons.

Q3: What depth should I use for driveways?
A: Residential driveways typically use 2-3 inches, while commercial areas may need 4+ inches.

Q4: Does this account for compaction?
A: The density value should reflect the compacted density of the asphalt mix.

Q5: How do I calculate total project weight?
A: Multiply the result by the total area in square yards, then add 5-10% for waste.