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How Much Gravel for a 50 Foot Driveway?

How much gravel for a 50 foot driveway: about 10.4 tons for a 12-foot-wide lane at 4 inches deep. That is 600 square feet and 7.41 cubic yards.

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The math

  1. Area: 600.0 sq ft.
  2. Depth in feet: 4 ÷ 12 = 0.333 ft.
  3. Cubic yards: 600.0 × 0.333 ÷ 27 = 7.41 yd³.
  4. Tons: × about 1.4 tons per yard = 10.4 tons.

The gravel calculator does this for any size.

Gravel needed by depth

DepthCubic yardsTons of gravelTons +10%
2 in3.705.25.7
4 in7.4110.411.4
6 in11.1115.617.1
8 in14.8120.722.8

Tons by driveway width

WidthTons at 4 inTons at 6 in
10 ft8.613.0
12 ft10.415.6
14 ft12.118.1
16 ft13.820.7

Truck loads

Plan for about 11.4 tons with waste. On a 15-ton truck that is about 1 trip; spreading while dumping (a tailgate spread) puts the stone close to where it belongs.

Layers for a lasting driveway

A new driveway usually starts with a larger base stone on compacted subgrade, then a top layer that packs. Topping up an existing drive takes much less, often 2 inches. Long drives benefit from a crown so water runs to the edges.

Ordering and delivery

Small dump trucks commonly carry around 5 to 10 tons and tri-axles more, but loads vary by truck and state, so ask the yard what fits in one trip. Gravel is a broad label, so confirm whether the yard means crushed or rounded stone and whether it carries fines. Round up by about 10 percent for compaction and uneven ground.

Questions people ask

How many tons of gravel for a 50 ft driveway?

About 10.4 tons at 12 ft wide and 4 inches deep.

How many truck loads for a 50 ft driveway?

About 1 loads of 15 tons, including some extra.

How many tons of gravel are in a cubic yard?

Roughly 1.4 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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