Asphalt calculator
PROTons of hot-mix asphalt for a driveway.
Short answer: cu ft = L × W × thick/12. Tons = cu ft × 145 lb ÷ 2,000. 40 × 12 ft × 3" = 120 cu ft ≈ 8.7 tons. Enter your measurements above and the asphalt calculator returns the quantity, unit conversions and an estimated cost instantly, in imperial or metric — no sign-up needed.
What do you need to measure?
What is the answer?
Cubic feet
120.0
Tons
8.70
Est. cost
$1044
How does the asphalt calculator work?
cu ft = L × W × thick/12. Tons = cu ft × 145 lb ÷ 2,000.
What does a worked example look like?
40 × 12 ft × 3" = 120 cu ft ≈ 8.7 tons.
What do people ask most?
›Residential thickness?
2–3" surface over 4–8" of compacted base gravel.
Which outdoor construction calculator should you use next?
Where can you learn more?
Read field notes on estimating and materials, or browse every calculator we make.
What should you read before you order materials?
Field notes from real jobs that explain the numbers behind this calculator.
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