Asphalt Calculator

Use this free asphalt calculator to estimate cubic yards and tons from pavement dimensions, compacted depth, density, and waste.

All tools
Research-backed assumptions Formula steps Examples included Private in-browser use
Asphalt needed7 tons

30 ft x 12 ft x 3 in compacted depth

Cubic yards
3.5
Cubic feet
94.5
Density used
2 tons/yd3

Asphalt mix, compaction target, base, lift thickness, plant minimums, and paving specifications matter for real jobs.

Formula steps

  1. Convert compacted depth from inches to feet.
  2. Multiply length, width, and depth, then add waste.
  3. Convert cubic feet to cubic yards and multiply by tons per cubic yard.

How to use the asphalt calculator

  1. Enter pavement length, width, compacted depth, tons per cubic yard, and waste percent.
  2. Press Estimate asphalt to see cubic yards and estimated tons.
  3. Use the density or ordering guidance from your asphalt supplier when possible.
  4. Mix type, compaction, base condition, lift thickness, and plant minimums can change real quantity.

Common uses

Estimate asphalt tons for a simple driveway section.

Convert compacted depth into cubic yards.

Compare 2-inch, 3-inch, and 4-inch depth assumptions.

Use supplier density before talking with a paving contractor.

Examples

Driveway section 30 ft x 12 ft x 3 in, 2 tons/yd3

Estimated tons

Parking pad 20 ft x 18 ft x 4 in, 2 tons/yd3

Cubic yards and tons

Thin overlay 40 ft x 10 ft x 2 in, 5% waste

Overlay estimate

Frequently asked questions

Plain-language answers about when to use the tool, what it does with your inputs, what to double-check, and how privacy works.

When should I use the Asphalt Calculator?

Use it when your task matches one of these common needs: Estimate asphalt tons for a simple driveway section. Convert compacted depth into cubic yards. It works best when you already know the values, dates, units, or settings the page asks for.

What is the Asphalt Calculator doing with my inputs?

In plain language: The calculator converts compacted depth from inches to feet, multiplies length by width by depth, adds waste, converts to cubic yards, then multiplies by tons per cubic yard. The examples on the page are there so you can compare your inputs with a filled-out calculation before copying the answer.

What should I double-check before trusting the answer?

Asphalt quantity depends on mix type, compaction, lift thickness, base condition, paving specs, plant minimums, and professional site measurement. Also check that you used the right unit, date, scale, or mode because small input changes can change the result.

Does the site save what I enter?

No. The calculator runs in your browser tab. Your recent answers stay only on the page while you use it, and they are not sent to a server.

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