1. What is an Asphalt Millings Calculator?

Definition: This calculator estimates the weight in tons of asphalt millings based on project dimensions and standard density.

Purpose: It helps construction professionals and DIYers determine how much recycled asphalt millings are needed for paving projects.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( T \) — Weight of asphalt millings (tons)
• \( L \) — Length of area (feet)
• \( W \) — Width of area (feet)
• \( D \) — Depth of millings (feet)
• 140 — Density of asphalt millings (lb/ft³)
• 2000 — Pounds per ton

Explanation: The formula calculates volume in cubic feet, converts to weight using density, then converts pounds to tons.

3. Importance of Asphalt Millings Calculation

Details: Accurate estimation ensures proper material ordering, cost control, and efficient project planning for paving jobs.

4. Using the Calculator

Tips: Enter the length, width, and depth in feet. All values must be > 0. Depth is typically 0.25-0.5 feet for driveways.

5. Frequently Asked Questions (FAQ)

Q1: What are asphalt millings?
A: Recycled asphalt pavement that's ground up and reused, offering cost savings and environmental benefits.

Q2: Why 140 lb/ft³ density?
A: This is the standard density for compacted asphalt millings, though it can vary slightly.

Q3: How thick should millings be?
A: Typically 3-6 inches (0.25-0.5 feet) for driveways, compacted in 2-inch layers.

Q4: Do I need a binder for millings?
A: Often yes - fresh asphalt emulsion is typically added at 1-2% by weight for better binding.

Q5: How does this compare to new asphalt?
A: New asphalt weighs about 145 lb/ft³, while millings are slightly lighter at 140 lb/ft³.