Asphalt Calculator – Estimate Asphalt Quantity, Weight, and Cost Easily

Last updated: 08 Apr 2025 | Author: Brij | Review By: Irshad

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Simply input the dimensions of the area you need to cover and the desired thickness of the asphalt layer to get an accurate estimate of the amount of asphalt required.

Width:

Length:

Thickness/Depth:

Price per ton:

Asphalt weight:

Hotmix Asphalt required:

Asphalt cost ($):

Planning a driveway, road, or parking lot project? Use this Asphalt Calculator to quickly estimate the amount of Hotmix Asphalt, asphalt weight, and total cost based on your project dimensions and cost per ton.

🔧 What You Need

To use this calculator, simply enter:

📏 Length (in feet or meters)
📐 Width (in feet or meters)
📉 Thickness/Depth (in inches or cm)
💵 Price per ton

Asphalt Calculator Formulas

1. Volume of Asphalt Required

$\text{Volume} = \text{Length} \times \text{Width} \times \left( \frac{\text{Depth}}{12} \right)$

2. Asphalt Weight (in tons)

Assuming asphalt density ≈ 145 lb/ft³, and 1 ton = 2000 lb:

$\text{Weight (tons)} = \frac{\text{Volume} \times 145}{2000}$

3. Asphalt Cost

$\text{Cost} = \text{Weight (tons)} \times \text{Price per ton}$

Example Calculation

Let’s say you want to pave a driveway with the following values:

Length = 50 ft
Width = 10 ft
Depth = 3 inches
Price per ton = $120

Step 1: Calculate Volume

$\text{Volume} = 50 \times 10 \times \left( \frac{3}{12} \right) = 125 \text{ ft}^3$

Step 2: Calculate Asphalt Weight

$\text{Weight} = \frac{125 \times 145}{2000} = 9.06 \text{ tons}$

Step 3: Calculate Asphalt Cost

$\text{Cost} = 9.06 \times 120 = 1087.2$

Final Output

Hotmix Asphalt Volume: 125 ft³
Asphalt Weight: 9.06 tons
Estimated Cost: $1,087.20

Frequently Asked Questions (FAQs)

1. What is asphalt made of?

Asphalt is a mixture of aggregates (like crushed stone, gravel, or sand) and bitumen, a sticky, black, and highly viscous liquid or semi-solid form of petroleum. It's commonly used in road construction and paving projects.

2. How much does 1 ton of asphalt cover?

On average, 1 ton of asphalt covers about 80 to 100 square feet at 2 inches thickness. Coverage can vary depending on the thickness of the layer and the type of mix used.

3. How thick should asphalt be for a driveway?

For residential driveways, asphalt is typically 2 to 3 inches thick. Heavier-use areas or commercial lots may require 4 to 6 inches of asphalt for durability.

4. What is the difference between hot mix and cold mix asphalt?

Hot Mix Asphalt (HMA): Used for main roads, highways, and large paving projects; applied while hot for strong durability.
Cold Mix Asphalt: Used for minor repairs or patching; doesn't require heating and is easier to work with in smaller applications.

5. How long does asphalt last?

A properly installed and maintained asphalt surface can last 15 to 25 years. Factors like climate, load, and maintenance frequency affect its lifespan.

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