Hot Mix Asphalt Type A Calculator by Tons of Concrete

Asphalt Weight Formula:

\[ T = \frac{L \times W \times D \times 145}{2000} \]

Asphalt Weight (tons):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is a Hot Mix Asphalt Type A Calculator?

Definition: This calculator estimates the weight of Hot Mix Asphalt Type A based on the dimensions of the area to be paved.

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

2. How Does the Calculator Work?

The calculator uses the formula:

\[ T = \frac{L \times W \times D \times 145}{2000} \]

Where:

\( T \) — Weight of asphalt (tons)
\( L \) — Length of area (feet)
\( W \) — Width of area (feet)
\( D \) — Depth of asphalt (feet)
145 — Density of Hot Mix Asphalt Type A (lbs/cu ft)
2000 — Conversion factor (lbs to tons)

Explanation: The volume is calculated by multiplying length, width and depth, then converted to weight using the material density, and finally converted to tons.

3. Importance of Asphalt Weight Calculation

Details: Accurate asphalt weight estimation ensures proper material ordering, cost control, and project planning for paving projects.

4. Using the Calculator

Tips: Enter the length, width, and depth in feet. All values must be > 0. The calculation uses standard Caltrans specifications for Type A hot mix asphalt.

5. Frequently Asked Questions (FAQ)

Q1: What is Hot Mix Asphalt Type A?
A: It's a dense-graded mix commonly used for pavement surfaces in California, meeting Caltrans specifications.

Q2: Why 145 lbs/cu ft density?
A: This is the standard density for Type A hot mix asphalt per Caltrans standards.

Q3: How do I convert inches to feet for depth?
A: Divide inches by 12 (e.g., 3 inches = 0.25 feet).

Q4: Does this include compaction factor?
A: The 145 lbs/cu ft density already accounts for compacted asphalt.

Q5: How much extra should I order?
A: Typically add 5-10% to account for waste, uneven surfaces, and compaction variations.