Asphalt Tonnage Calculator

Last updated: 15 Oct 2025 | Author: Brij | Review By: Irshad

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Easily calculate how much asphalt you need with our Asphalt Tonnage Calculator. Enter length, width, thickness, and density to get accurate tonnage estimates for your driveway or paving project.

Driveway Length:

Driveway Width:

Asphalt Thickness:

Residential: 2-3", Commercial: 3-4"+

Asphalt Density:

Typically 2.2-2.5 tons per cubic yard

Asphalt Tonnage Calculation Results

Required Asphalt Tonnage:

tons

When planning to build or resurface a driveway, parking lot, or road, one of the most important steps is figuring out how much asphalt you need. Ordering too little can delay your project, while ordering too much increases unnecessary costs.

Our Asphalt Tonnage Calculator helps you quickly determine the exact amount of asphalt required based on the driveway’s dimensions, thickness, and asphalt density.

Formula to Calculate Asphalt Tonnage

Step 1: Calculate the Area of the Driveway

$\text{Area} = \text{Length} \times \text{Width}$

Step 2: Convert Thickness to Feet (if needed)

$\text{Thickness (ft)} = \frac{\text{Thickness (in)}}{12}$

Step 3: Calculate Volume of Asphalt

$\text{Volume} = \text{Area} \times \text{Thickness}$

Step 4: Convert Volume to Cubic Yards

$\text{Volume (yd}^3\text{)} = \frac{\text{Volume (ft}^3\text{)}}{27}$

Step 5: Calculate Asphalt Tonnage

$\text{Asphalt Tonnage} = \text{Volume (yd}^3\text{)} \times \text{Asphalt Density (tons/yd}^3\text{)}$

Example Calculation

Suppose you are paving a driveway with the following details:

Length = 100 ft
Width = 12 ft
Thickness = 3 inches
Asphalt Density = 2.2 tons/yd³

Step 1: Area

$\text{Area} = 100 \times 12 = 1200 \, \text{ft}^2$

Step 2: Thickness in feet

$\text{Thickness} = \frac{3}{12} = 0.25 \, \text{ft}$

Step 3: Volume in cubic feet

$\text{Volume} = 1200 \times 0.25 = 300 \, \text{ft}^3$

Step 4: Convert to cubic yards

$\text{Volume (yd}^3\text{)} = \frac{300}{27} \approx 11.11 \, \text{yd}^3$

Step 5: Asphalt Tonnage

$\text{Tonnage} = 11.11 \times 2.2 \approx 24.44 \, \text{tons}$

Final Answer: You will need approximately 24.44 tons of asphalt.

FAQs

1. How many tons of asphalt do I need per square foot?

The amount of asphalt needed per square foot depends on the layer thickness. A 2-inch layer typically requires about 0.011 tons per square foot, while a 3-inch layer needs around 0.017 tons per square foot.

$\text{Asphalt (tons)} = \frac{\text{Area (sq ft)} \times \text{Thickness (in)}}{108}$

2. How many cubic meters are in one ton of asphalt?

One ton of asphalt is approximately 0.39 cubic meters (based on a density of 2.56 tons/m³).

$1 \, \text{ton} = \frac{1}{2.56} = 0.39 \, \text{m}^3$

3. How much does one ton of asphalt cover?

One ton of asphalt covers about 35 to 40 square feet at a thickness of 2 inches. For thicker layers, coverage decreases proportionally.

4. How do I convert asphalt volume to tons?

To convert asphalt volume to tons, multiply the volume (in cubic meters) by the density (in tons/m³).

$\text{Tons} = \text{Volume (m}^3) \times 2.56$

5. What factors affect asphalt tonnage requirements?

Several factors influence asphalt tonnage, including:

Pavement thickness
Compaction level and air voids
Asphalt mix type (dense, open-graded, or recycled)
Surface preparation and irregularities

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