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How Much Decomposed Granite for 600 Square Feet?

How much decomposed granite for 600 square feet depends on depth. At 3 inches you need about 5.56 cubic yards, roughly 7.5 tons at 1.35 tons per yard. Each inch of depth over 600 square feet adds about 1.85 yards.

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Decomposed granite for 600 sq ft by depth

DepthCubic yardsTonsTons +10%
2 in3.705.05.5
3 in5.567.58.2
4 in7.4110.011.0

Working it out

  1. 600 sq ft × (3 ÷ 12) ft = 150.0 cubic feet.
  2. ÷ 27 = 5.56 cubic yards.
  3. × 1.35 tons per yard = 7.5 tons.

About decomposed granite

Decomposed granite (DG) is weathered granite broken into small particles and fines. It packs into a firm, natural-looking path surface, and stabilized versions include a binder. Typical weight: 1.25 to 1.45 tons per cubic yard.

Ordering checklist

  • Measure odd shapes in pieces. Split curves and L-shapes into rectangles and add them.
  • Add a margin. About 10 percent covers compaction and low spots.
  • Bulk or bags. Bulk delivery is the practical choice here.
  • Prep first. Remove sod, compact the subgrade and set edging before the stone arrives.

Use the volume and tonnage calculator for any other size.

Good and poor uses for decomposed granite

Works well for:

  • Garden paths and patios with a natural look
  • Around trees and in xeriscape designs
  • Stabilized DG for accessible paths

Poor fit for:

  • Steep grades without a stabilizer
  • Areas right outside doors, since fines track in
  • Driveways with heavy turning traffic

Quick reference numbers

  • Per inch over 100 sq ft: about 0.42 tons of decomposed granite (0.31 cubic yards).
  • Per inch over 1,000 sq ft: about 4.2 tons.
  • Another size for comparison: a 12x24 area at 2 inches takes about 2.4 tons.
  • Weight used here: about 1.35 tons per cubic yard.

Common estimating mistakes

  • Mixing up cubic yards and tons. Yards are volume, tons are weight; convert with the product’s weight per yard.
  • Using inches as if they were feet. Depth has to be divided by 12 before you multiply; skipping that step inflates the order twelvefold.
  • Skipping drainage. Water sitting under any surface softens the base and leads to ruts and potholes.
  • Assuming every supplier uses the same weight. Two yards selling the same product name can quote different tons per yard.

Questions people ask

How many tons of decomposed granite for 600 square feet?

About 7.5 tons at 3 inches deep.

How many cubic yards of decomposed granite for 600 square feet?

About 5.56 yards at 3 inches.

How much decomposed granite for 600 square feet at 2 inches?

About 5.0 tons, or 3.70 cubic yards.

How much does a yard of decomposed granite weigh?

About 1.25 to 1.45 tons.

Should I add extra?

Yes, about 10 percent is a common allowance.

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