Gravel for a 4×4 area

0.2 cubic yards (0.3 tons)

of gravel for 16 sq ft at 4 inches deep. Add about 5% for compaction and spillage.

A 4×4 foot area is 16 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 4×4 by depth

DepthCubic yardsTons50 lb bags
2 in0.10.16
3 in0.150.29
4 in0.20.312
6 in0.30.417
8 in0.40.623
12 in0.590.834

How it’s worked out

  1. 4 × 4 × 4 in ÷ 12 = 5.33 cu ft.
  2. 5.33 ÷ 27 = 0.198 cu yd.
  3. 0.198 × 1.4 tons per yard = 0.28 tons.

Change the numbers

Gravel needed

0.2 cubic yards

About 0.29 tons with 5% extra for compaction and spillage.

Area16 sq ft
Cubic yards0.2
Order (with extra)0.21 cu yd
Tons0.29 (about $15)
50 lb bags12

Other area sizes

Questions

How much gravel do I need for a 4×4 area?
0.2 cubic yards (about 0.3 tons) at 4 inches deep, and 0.3 cubic yards (0.4 tons) at 6 inches.
How many tons of gravel for 4×4?
About 0.3 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 4×4?
About 12 bags of 50 lb at 4 inches deep. Above a ton or so, bulk delivery is much cheaper.
How much does gravel for 4×4 cost?
About $14 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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