Construction & ContractorsHot-Mix Tonnage
Asphalt Calculator
Calculate compacted hot-mix asphalt in cubic yards and short tons (145 lbs/cu ft) for driveways and commercial parking lots.
Calculation Results
Compacted Asphalt Tonnage Formula
Tons = (Length ft × Width ft × Thickness in / 12) × 145 lbs/cu ft / 2,000 lbs- Compacted Density: Hot-mix asphalt (HMA) weighs approximately 145 to 148 lbs per cubic foot when rolled and compacted.
- Thickness Standards: 2 to 2.5 inches compacted for residential driveways, 3 to 4 inches for commercial parking lots.
- Waste & Irregularity: 5% to 8% standard compaction and edge-joint factor.
Step-by-Step Worked Example
Scenario: Paving a residential driveway 70 ft long by 12 ft wide at 2.5 inches compacted thickness
Calculation Steps:
- Square Footage = 70 × 12 = 840 sq ft
- Cubic Feet = 840 × (2.5 / 12) = 175 cu ft
- Weight with 6% Waste = 175 × 1.06 × 145 lbs = 26,897 lbs
- Asphalt Tonnage = 26,897 / 2,000 = 13.45 tons
- Material Only Cost = 13.45 tons × $95.00 = $1,277.75
- Turnkey Paved Cost = 840 sq ft × $4.75 = $3,990.00
Result: The driveway requires 13.45 tons of hot-mix asphalt. Turnkey contractor paving is estimated at $3,990.
How to Use This Calculator
- 1Enter driveway length and width in feet, and compacted thickness in inches.
- 2Review both material-only asphalt tonnage and full contractor turnkey installation.
Assumptions & Limitations
- Estimates are based on standard national averages and current prevailing construction materials and contractor rates.
- Actual trade bids may fluctuate according to local building code requirements, permit fees, and site topography.
- Always obtain multiple written bids from licensed, bonded, and insured contractors before commencing work.
Frequently Asked Questions
How long must fresh asphalt cure before driving on it?
You can walk on fresh asphalt within 24 hours. Wait 48 to 72 hours before driving passenger cars on it, and up to 30 days before parking heavy trucks or RVs.
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