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How Much Asphalt Millings for a 300 Foot Driveway?

How much asphalt millings for a 300 foot driveway: about 57.8 tons for a 12-foot-wide lane at 4 inches deep. That is 3,600 square feet and 44.44 cubic yards.

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The math

  1. Area: 3,600.0 sq ft.
  2. Depth in feet: 4 ÷ 12 = 0.333 ft.
  3. Cubic yards: 3,600.0 × 0.333 ÷ 27 = 44.44 yd³.
  4. Tons: × about 1.3 tons per yard = 57.8 tons.

The asphalt millings calculator does this for any size.

Asphalt millings needed by depth

DepthCubic yardsTons of asphalt millingsTons +10%
2 in22.2228.931.8
4 in44.4457.863.6
6 in66.6786.795.3
8 in88.89115.6127.1

Tons by driveway width

WidthTons at 4 inTons at 6 in
10 ft48.172.2
12 ft57.886.7
14 ft67.4101.1
16 ft77.0115.6

How many loads

Plan for about 63.6 tons with waste. On a 15-ton truck that is about 5 trips; spreading while dumping (a tailgate spread) puts the stone close to where it belongs.

Layers for a lasting driveway

If this is a new driveway on soil, build a base of 4 to 6 inches of coarse stone first and finish with a packable surface stone. For a refresh, 2 inches over the old surface is common. Long drives benefit from a crown so water runs to the edges.

Getting it delivered

If you haul it yourself, a typical half-ton pickup should carry only about half a cubic yard of stone, well under what the bed looks like it can hold. Asphalt millings bind into a fairly firm surface when compacted and warmed by the sun. Round up by about 10 percent for compaction and uneven ground.

Questions people ask

How many tons of asphalt millings for a 300 ft driveway?

About 57.8 tons at 12 ft wide and 4 inches deep.

How many truck loads for a 300 ft driveway?

About 5 loads of 15 tons, including some extra.

How many tons of asphalt millings are in a cubic yard?

Roughly 1.3 tons for planning, but suppliers vary with stone size and moisture.

Should I put landscape fabric under the stone?

On soft or clay soil, a woven geotextile keeps stone from sinking into the dirt and makes the layer last longer.

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