Asphalt Tonnage Calculator — Quantity in Tons

A focused calculator: enter your project dimensions, get exact tonnage — directly usable for purchase orders.

Enter Your Project Dimensions

How Tonnage Is Calculated

  1. Compute volume: length × width × thickness
  2. Compute weight: volume × 145 lbs/ft³ (or 2,322.7 kg/m³)
  3. Convert: divide by 2,000 (US short tons) or 1,000 (metric tonnes)
  4. Add 10% buffer (recommended)

Quick Tonnage Reference (Imperial)

Area (sq ft)2 in3 in4 in6 in
5006.0 t9.1 t12.1 t18.1 t
1,00012.1 t18.1 t24.2 t36.3 t
5,00060.4 t90.6 t120.8 t181.3 t
10,000120.8 t181.3 t241.7 t362.5 t

Before 10% buffer. For purchase orders, add 10%.

Tons vs Tonnes

US short tons = 2,000 lbs (907 kg). Metric tonnes = 1,000 kg (2,204.6 lbs). The calculator displays the unit matching your selection.