Tons of Asphalt Millings per 100 Feet of 16 ft Road

Tons of asphalt millings per 100 feet of 16 foot road: about 26 tons at 4 inches deep. The strip is 16 ft × 100 ft = 1,600 square feet. Long runs magnify small depth changes, so pin the depth down before ordering.

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Tons by depth

Depth	Tons	Truckloads (~14 t)
3 in	19	2
4 in	26	2
6 in	39	3
8 in	51	4

The math

Area: 16 × 100 = 1,600 sq ft.
Volume at 4 in: 1,600 × 0.333 = 533 cu ft (20 cubic yards).
× 1.3 tons per yard = 26 tons.

Building a road this width

At 16 feet wide, two cars can meet with care. Asphalt millings are ground-up old pavement. When compacted and warmed by sun they bind into a fairly firm surface, which is why they are popular for rural drives and lots. Crown the surface so water sheds to ditches on both sides.

Practical notes

Phasing. Large tonnages are delivered over days; schedule spreading and compaction to keep up with trucks.
Waste. Allow 5 to 10 percent.
Hauling. Distance from the quarry or plant often costs as much as the material on long jobs; see asphalt hauling cost per ton.

Check other sizes with the volume and tonnage calculator.

Good and poor uses for asphalt millings

Good uses:

Rural driveways and farm lanes
Parking areas where a dust-free surface is wanted
Low-cost base under a future paved surface

Less suited to:

Areas near wells or streams where local rules limit them
Decorative or barefoot areas
Jobs needing a uniform, clean look

Quick reference numbers

Per inch over 100 sq ft: about 0.40 tons of asphalt millings (0.31 cubic yards).
Per inch over 1,000 sq ft: about 4.0 tons.
Another size for comparison: a 15x30 area at 4 inches takes about 7.2 tons.
Weight used here: about 1.3 tons per cubic yard.

Common estimating mistakes

Ordering exactly the math. Uneven ground and spillage nearly always need a little more than the flat calculation.
Forgetting that compaction shrinks loose material. A loose 4-inch spread of a dense-graded stone may finish closer to 3 inches after rolling.
Using inches as if they were feet. Depth has to be divided by 12 before you multiply; skipping that step inflates the order twelvefold.
Measuring only the main rectangle. Aprons, turnouts and curved edges add real square footage.

Questions people ask

How many tons of asphalt millings per 100 feet of 16 ft road?

About 26 tons at 4 inches.

How many truckloads is that?

About 2 loads at roughly 14 tons each.

How many square feet is 100 feet of 16 ft road?

1,600 square feet.

Should I add extra for waste?

Yes, 5 to 10 percent is common.

Does this include the shoulders?

No. Measure shoulders and pullouts separately and add them.

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