How Much Decomposed Granite for a 5x75 Walkway?
How much decomposed granite for a 5x75 walkway is a quick volume problem. 375 square feet at 3 inches comes to 3.47 cubic yards. Decomposed granite usually weighs about 1.25 to 1.45 tons per cubic yard, so plan on roughly 4.7 tons.
Volume and tonnage calculator →The math for a 5x75 walkway
- Area: 5 × 75 = 375 sq ft.
- Depth in feet: 3 ÷ 12 = 0.250 ft.
- Cubic feet: 375 × 0.250 = 93.8 cu ft.
- Cubic yards: ÷ 27 = 3.47 yd³.
- Tons: × 1.35 = 4.7 tons.
The volume and tonnage calculator does this for any size.
Decomposed granite needed by depth
| Depth | Cubic yards | Tons (approx.) | Tons +10% |
|---|---|---|---|
| 2 in | 2.31 | 3.1 | 3.4 |
| 3 in | 3.47 | 4.7 | 5.2 |
| 4 in | 4.63 | 6.3 | 6.9 |
About decomposed granite
DG should be laid in thin lifts, wetted and compacted. Loose DG at a deep depth stays soft and tracks onto shoes. If the yard sells by the cubic yard instead of the ton, use the cubic-yard column directly.
Preparing the walkway
Dig the path a few inches below grade, compact the bottom, add fabric if needed and install edging on both sides so the material stays on the walk. This walkway sees foot traffic, so match the depth to that load rather than to the minimum.
Ordering tips
- Round up. Compaction and uneven ground eat material. Adding about 10 percent is common.
- Delivery size. 5.2 tons fits in a single typical dump truck load; small loads may carry a delivery fee. See how many tons of gravel in a dump truck.
- Bulk vs bags. At this size bulk delivery is usually the practical choice.
- Where it drops. Have the truck dump as close to the walkway as firm ground allows.
Where decomposed granite fits
Best suited to:
- Garden paths and patios with a natural look
- Around trees and in xeriscape designs
- Stabilized DG for accessible paths
Less suited to:
- 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 15x30 area at 2 inches takes about 3.8 tons.
- Weight used here: about 1.35 tons per cubic yard.
Where estimates go wrong
- Forgetting that compaction shrinks loose material. A loose 4-inch spread of a dense-graded stone may finish closer to 3 inches after rolling.
- Using inches as if they were feet. Depth has to be divided by 12 before you multiply; skipping that step inflates the order twelvefold.
- Measuring only the main rectangle. Aprons, turnouts and curved edges add real square footage.
- Mixing up cubic yards and tons. Yards are volume, tons are weight; convert with the product’s weight per yard.
Questions people ask
How many tons of decomposed granite for a 5x75 walkway?
About 4.7 tons at 3 inches deep, or 5.2 tons with 10 percent extra.
How many cubic yards is a 5x75 walkway at 3 inches?
About 3.47 cubic yards.
How much does a cubic yard of decomposed granite weigh?
Usually around 1.25 to 1.45 tons, depending on stone size, fines and moisture.
How deep should decomposed granite be for a walkway?
The table above shows 2 to 4 inches. Shallower depths suit top dressing; deeper depths suit new installs and heavier use.
How many square feet is 5x75?
375 square feet.
Related guides
- Crushed Stone vs Gravel: Differences and Best Uses
- Tons to Cubic Yards for Gravel: Conversion Chart
- How Many Tons of Gravel in a Dump Truck? Loads and Coverage
- How Much Does a Ton of Gravel Cover? Depth Chart
- How Much Decomposed Granite for a 5x50 Walkway?
- How Much Decomposed Granite for a 5x60 Walkway?
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