Tons of Asphalt per 100 Feet of 12 ft Road

Tons of asphalt per 100 feet of 12 foot road: about 22 tons at 3 inches compacted. The strip is 12 ft × 100 ft = 1,200 square feet. Shoulders, pullouts and turnarounds add to the total; measure them separately.

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Tons by depth

Depth	Tons	Truckloads (~14 t)
2 in	14	2
3 in	22	2
4 in	29	3

The math

Area: 12 × 100 = 1,200 sq ft.
Volume at 3 in: 1,200 × 0.250 = 300 cu ft.
× 145 lb ÷ 2,000 = 22 tons.

What goes into the section

At 12 feet wide, this is a single-lane private road or farm lane. Paved roads sit on a compacted aggregate base, ordered separately from the asphalt. 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 asphalt tonnage calculator.

Where asphalt fits

Best suited to:

Driveways, parking pads and private lanes that need a smooth, sealed surface
Overlays on old pavement that is cracked but still structurally sound
Areas where snow will be plowed, since a paved surface does not throw stone

Think twice for:

Ground that stays soft or wet, unless the base and drainage are fixed first
Very small patches, where bagged cold patch is often simpler
Jobs in cold weather, since hot mix needs warm temperatures to compact properly

Quick reference numbers

Per inch over 100 sq ft: about 0.62 tons of asphalt (0.31 cubic yards).
Per inch over 1,000 sq ft: about 6.2 tons.
Another size for comparison: a 8x16 area at 2 inches takes about 1.6 tons.
Weight used here: about 2.0 tons per cubic yard (roughly 145 lb per compacted cubic foot).

Where estimates go wrong

Skipping drainage. Water sitting under any surface softens the base and leads to ruts and potholes.
Ignoring the base. A thin surface layer over soft soil fails early no matter how much material is on top.
Ordering exactly the math. Uneven ground and spillage nearly always need a little more than the flat calculation.
Measuring only the main rectangle. Aprons, turnouts and curved edges add real square footage.

Questions people ask

How many tons of asphalt per 100 feet of 12 ft road?

About 22 tons at 3 inches.

How many truckloads is that?

About 2 loads at roughly 14 tons each.

How many square feet is 100 feet of 12 ft road?

1,200 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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