Asphalt & Driveway Paving
Calculate the tons of asphalt needed for a driveway or parking lot from its area and thickness, free online.
About this calculator
Asphalt weighs about 145 lb per cubic foot (2,320 kg/m³). Tons = length × width × thickness × density. A residential driveway is usually paved 2–3 inches thick; add 5% for compaction and waste.