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Asphalt Millings Calculator

Estimate how many tons of recycled asphalt millings you need for a driveway, path, or parking area — and get an optional cost estimate based on your local price per ton.

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Millings Calculator

Tons & cost — recycled asphalt

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Covers material loss at edges and during installation. Increase for irregular shapes or difficult site access.

Your Results
Volume
—
cubic yards
Volume
—
cubic feet
Tons to Order
—
inc. waste factor
Area
—
sq ft

Results include the waste factor you entered. Actual quantities depend on your millings gradation and site conditions. Confirm with your supplier before ordering.

What Are Asphalt Millings?

Asphalt millings — also called recycled asphalt pavement (RAP) — are the ground-up material removed when an old asphalt surface is milled down for repaving. They contain residual bitumen, which causes them to bind together under heat and compaction over time.

Millings are commonly used for residential driveways, farm roads, and parking areas. They are significantly cheaper than new hot mix asphalt and are widely available from local paving companies and material yards.

Millings vs. Gravel vs. New Asphalt

General comparison only. Prices vary significantly by location and supplier. Contact local yards for current pricing.

OptionRelative CostDurability
Asphalt MillingsLowGood
Crushed GravelLow–ModerateModerate
New Hot Mix AsphaltHighExcellent

Recommended Depth by Use

ProjectDepth (compacted)
Residential driveway3–4 inches
Parking area (light vehicles)4–6 inches
Farm road or access path4–6 inches

Density Used

This calculator uses 148 lb/ft³ as the density for compacted asphalt millings. This is an estimate — actual density varies depending on particle size, binder content, and moisture. Confirm with your supplier if you need a more precise figure.

Who This Is For

Is This the Right Calculator for Your Project?

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Homeowners planning a budget driveway

If you want a lower-cost alternative to new asphalt, this calculator tells you how many tons to order before calling local suppliers for a price. To compare with full new asphalt, use our Asphalt Calculator.

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DIYers doing their own installation

If you are spreading and compacting millings yourself, use this tool to get the right quantity before heading to the supplier yard — so you are not under-ordering mid-project.

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Property owners with farm roads

Millings are a popular surface for farm roads and rural access paths. Enter your road dimensions to get a tonnage estimate before contacting a supplier.

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Contractors making quick estimates

Use this tool to get a fast material quantity figure for a client before sitting down to write a formal quote. Enter the client's price per ton to get a cost estimate in seconds. For a full cost breakdown including labor, use our Driveway Cost Calculator.

How It's Calculated

Formula & Worked Example

Formula Used by This Calculator

// Step 1 — Volume including waste
Volume (cu ft) = L × W × (D ÷ 12) × (1 + Waste% ÷ 100)
Cubic yards = Volume ÷ 27

// Step 2 — Tonnage
Tons = (Volume × 148) ÷ 2000

// Step 3 — Cost (only if price entered)
Cost = Tons × Price per ton

// All results include the waste factor.
// 148 lb/ft³ = density estimate for
// compacted asphalt millings.

The waste factor is applied to the volume calculation, so the cubic yards and tons shown already include your waste allowance. The default 8% covers typical edge loss and spillage during installation.

Worked Example

Project: Driveway 50 ft × 12 ft, 4 inches deep, 8% waste factor

Area 50 × 12 = 600 sq ft
Volume + 8% waste 600 × (4÷12) × 1.08 = 216 cu ft
Cubic yards 216 ÷ 27 = 8.0 cu yd
Tons to order (216 × 148) ÷ 2000 = 15.98 tons

Order approximately 16 tons. This estimate already includes the 8% waste allowance. Confirm the final quantity with your supplier before ordering. Need a full cost breakdown including labor? Use our Driveway Cost Calculator.

FAQ

Asphalt Millings — Common Questions

Yes. Asphalt millings are a cost-effective driveway surface suited for residential driveways and private roads. They compact well, resist washout better than loose gravel, and the residual bitumen in the material binds the surface over time. They require proper compaction to perform well and work best on stable, well-graded ground. If you are weighing millings against new asphalt, use our Asphalt Calculator to compare tonnage and cost side by side.

For a residential driveway, 3–4 inches of compacted millings over a prepared base is typical. For a parking area with regular vehicle traffic, 4–6 inches is more appropriate. Lay millings in 2-inch lifts and compact each layer before adding the next for best results.

Millings are available from local asphalt paving companies, quarries, and landscape material yards. They are a byproduct of road repaving work, so availability and pricing vary significantly by region. Contact local paving contractors — some sell millings directly from their yards.

Yes. Millings must be compacted with a plate compactor or roller to achieve a stable surface. Proper compaction removes air pockets, prevents ruts, and activates the residual bitumen binder. Without compaction, millings will shift under vehicle weight.

148 lb/ft³ is a commonly used density estimate for compacted asphalt millings. Actual density varies depending on the particle size, bitumen content, and moisture of your specific material. If your supplier provides a different density figure, you can use that to manually verify the result using the formula shown above.

Yes, but wait at least 6–12 months after installation before sealing. This allows the millings to fully compact and the residual bitumen to cure. Sealing too early can trap moisture and interfere with the surface binding process. Once cured, a sealer improves appearance and helps extend the surface life. Use our Sealcoat Calculator to estimate how much sealer you will need.

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