Asphalt Calculator
Tons of hot-mix asphalt for driveways, paths, and parking pads. Factors in compacted density and an order buffer for cooling and spread loss. Also outputs future sealcoat maintenance estimates.
How much asphalt do I need?
Default: a 60 × 12 ft residential driveway at 3 in thickness.
What you'll need to buy
- Driveway Sealer — 5 gal~400 sq ft
- Rubberized Crack Filler
- Sealer Squeegee / Applicator
Product links go to Home Depot search results — pick the best match for your project. Prices shown are rough averages.
How we calculated it
Asphalt is sold by the ton. The density of hot-mix asphalt (HMA) compacts to ~145 lb/cu ft for standard surface course and ~148 lb/cu ft for base course:
tons = (length × width × thickness_in/12) × density_lb_per_cuft / 2,000
A buffer of 5-10% is standard because asphalt cools fast — by the time the last truck finishes, material placed first is already near the low end of workable temperature, and there is real spread loss at edges. Order the buffer; any leftover gets raked back and compacted.
This calculator sizes the material order. Hot-mix paving itself is not a DIY project — hot asphalt is ~300°F, has to be placed and compacted within minutes, and requires a vibratory roller. Use the output for contractor quotes or for cold-patch repair ordering.