How Much Crushed Stone Under a 10x10 Deck?
How much crushed stone under a 10x10 deck: about 1.3 tons at 3 inches deep. The area is 100 square feet, which is 0.93 cubic yards at that depth.
Volume and tonnage calculator →The math
- Area: 100.0 sq ft.
- Depth in feet: 3 ÷ 12 = 0.250 ft.
- Cubic yards: 100.0 × 0.250 ÷ 27 = 0.93 yd³.
- Tons: × about 1.4 tons per yard = 1.3 tons.
The crushed stone calculator does this for any size.
Related: How Much Pea Gravel Under a 10x10 Deck?
Crushed stone needed by depth
| Depth | Cubic yards | Tons of crushed stone | Tons +10% |
|---|---|---|---|
| 2 in | 0.62 | 0.9 | 1.0 |
| 3 in | 0.93 | 1.3 | 1.4 |
| 4 in | 1.23 | 1.7 | 1.9 |
| 6 in | 1.85 | 2.6 | 2.9 |
Deck tips
Gravel under a deck blocks weeds, keeps the ground from turning to mud and lets water drain. Lay landscape fabric first, then about 2 to 3 inches of stone; there is no need to compact it the way you would a driveway base.
Related: How Much #57 Stone Under a 10x10 Deck?
Prep
Remove sod and roots, level the area and slope it slightly for drainage. Install edging so the stone stays inside the footprint.
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. Crushed stone has angular faces that lock together under a compactor, which is why it holds a pad shape. Ask your supplier for their own tons-per-yard number, since stone source and moisture change it.
Planning the cost
Stone is usually priced per ton or per cubic yard, and delivery is often a separate charge based on distance. A full truckload can cost less per ton than a partial one, so it can pay to combine projects. Ask whether the quote includes tax, delivery and any small-load fee before you compare yards.
Tools for the job
For anything bigger than a small path, rent a plate compactor; hand tampers cannot match it. A wheelbarrow, shovels, a hard rake and stakes with string are the rest of the kit. Wet the stone lightly before compacting so it binds.
Questions people ask
How many tons of crushed stone under a 10x10 deck?
About 1.3 tons at 3 inches deep.
How many yards of crushed stone under a 10x10 deck?
About 0.93 cubic yards.
How many tons of crushed stone 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.
Related guides
- Gravel Under a Deck: Weeds, Drainage, and Depth
- How Much Does a Ton of Gravel Cover? Depth Chart
- Tons to Cubic Yards for Gravel: Conversion Chart
- Crushed Stone vs Gravel: Differences and Best Uses
- Geotextile Fabric for Driveways: Woven vs Nonwoven and How Much You Need
- Compacting a Driveway Gravel Base in Lifts
- How Much Gravel Under a 10x10 Deck?
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