Gravel for a 10×20 area

2.47 cubic yards (3.5 tons)

of gravel for 200 sq ft at 4 inches deep. Add about 5% for compaction and spillage.

A 10×20 foot area is 200 square feet. Use 2 to 3 inches for a path or decorative cover, 4 inches for a patio, shed or slab base, and 6 to 8 inches (in layers) for a driveway or parking pad.

Gravel for 10×20 by depth

DepthCubic yardsTons50 lb bags
2 in1.231.770
3 in1.852.6104
4 in2.473.5139
6 in3.75.2208
8 in4.946.9277
12 in7.4110.4415

How it’s worked out

  1. 20 × 10 × 4 in ÷ 12 = 66.67 cu ft.
  2. 66.67 ÷ 27 = 2.469 cu yd.
  3. 2.469 × 1.4 tons per yard = 3.46 tons.

Change the numbers

Gravel needed

2.47 cubic yards

About 3.63 tons with 5% extra for compaction and spillage.

Area200 sq ft
Cubic yards2.47
Order (with extra)2.59 cu yd
Tons3.63 (about $181)
50 lb bags146

Other area sizes

Questions

How much gravel do I need for a 10×20 area?
2.47 cubic yards (about 3.5 tons) at 4 inches deep, and 3.7 cubic yards (5.2 tons) at 6 inches.
How many tons of gravel for 10×20?
About 3.5 tons at 4 inches, assuming 1.4 tons per cubic yard. Crushed stone with fines can weigh up to 1.5 tons a yard.
How many bags of gravel for 10×20?
About 139 bags of 50 lb at 4 inches deep. Above a ton or so, bulk delivery is much cheaper.
How much does gravel for 10×20 cost?
About $173 at $50 a ton for a 4 inch layer, before delivery. Prices range from about $15 to $75 a ton depending on stone type.

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