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🔥 Hot Mix Asphalt (HMA) Calculator

Calculate tonnage, material costs, and mix specifications for HMA paving projects

%

Project Dimensions

🔄 Multiple Sections

145
lbs/ft³
300-350
°F Placement Temp
3-5%
Air Voids

Material & Cost Options

HMA Calculation Results

Total Area
2,000
sq ft
Volume
500
cu ft
Tons Required
36.3
US tons
Metric Tonnes
32.9
tonnes
Total Cost
$6,200
USD
Cost per Ton
$171
installed
5.5%
Asphalt Binder
94.5%
Aggregate
145
lbs/ft³
92-96%
Compaction

📋 Detailed Breakdown

Dimensions: 100' × 20' × 3"
Square Yards: 222.2 SY
Volume (cubic yards): 18.5 yd³
Mix Type: Dense-Graded HMA
Material Cost: $4,356
Labor Cost: $1,634
Delivery: $250
Waste Factor: 5%
Total Cost: $6,240

📊 Hot Mix Asphalt Mix Guide

Dense-Graded HMA

Standard mix for roads and parking lots. Well-graded aggregate with low air voids (3-5%). Good durability and impermeability.

Binder content: 5-6%

Stone Matrix Asphalt (SMA)

Stone-on-stone contact for rut resistance. Higher binder content with fibers or polymers. Ideal for heavy traffic highways.

Binder content: 5.5-6.5%

Open-Graded HMA

High air voids (15-20%) for drainage. Used for friction courses and noise reduction. Allows water to drain through pavement.

Binder content: 5-6% with additives

Polymer-Modified HMA

Enhanced with polymers (SBS, SB) for improved elasticity and durability. Resists rutting, cracking, and stripping.

Binder content: 5-7%

Warm Mix Asphalt (WMA)

Produced at lower temperatures (50-100°F less). Reduced energy consumption and emissions. Better workability and compaction.

Binder content: 5-6%

Recycled Asphalt (RAP)

Contains reclaimed asphalt pavement. Sustainable and cost-effective. Typical RAP content: 15-30%.

Cost savings: 20-40%

🚗 Driveway

Residential, light traffic

2-3 inches

🅿️ Parking Lot

Cars, light trucks

3-4 inches

🛣️ Residential Road

Local traffic

4-5 inches

🚛 Highway

Heavy traffic

6-12 inches

Hot Mix Asphalt FAQs

What is hot mix asphalt (HMA)?
Hot mix asphalt (HMA) is a mixture of aggregate (crushed stone, gravel, sand) and asphalt binder heated and mixed at high temperatures (300-350°F). It's the most common pavement material for roads, highways, and parking lots due to its durability and weather resistance.
How do you calculate hot mix asphalt tonnage?
Tons = (Length (ft) × Width (ft) × Thickness (inches) × 145) ÷ 2000 ÷ 27. Or simplified: Square yards × Thickness (inches) × 0.055 = Tons. Add 5-10% for waste and compaction.
What is the density of hot mix asphalt?
Standard HMA density is 145-150 lbs per cubic foot, or approximately 110-115 lbs per square yard per inch of thickness. This can vary based on mix design, aggregate type, and compaction level.
What are the different types of hot mix asphalt?
Common HMA types: Dense-Graded (standard roads), Stone Matrix Asphalt (SMA) for heavy traffic, Open-Graded for drainage, Polymer-Modified for high-stress areas, and Warm Mix for lower temperature placement.
How thick should hot mix asphalt be?
Residential driveways: 2-3 inches. Parking lots: 3-4 inches. Residential roads: 4-5 inches. Collector roads: 5-6 inches. Highways: 6-12 inches depending on traffic loads and base conditions.
What is the difference between hot mix and cold mix asphalt?
Hot mix asphalt is produced at 300-350°F, requires professional equipment, and provides durable, long-lasting pavement. Cold mix is produced with emulsified or cutback asphalt, can be used in wet/cold conditions, and is typically used for temporary patches.