How Much Crushed Stone for a 10x12 Greenhouse Floor?
How much crushed stone for a 10x12 greenhouse floor: about 1.6 tons at 3 inches deep. The area is 120 square feet, which is 1.11 cubic yards at that depth.
Volume and tonnage calculator →The math
- Area: 120.0 sq ft.
- Depth in feet: 3 ÷ 12 = 0.250 ft.
- Cubic yards: 120.0 × 0.250 ÷ 27 = 1.11 yd³.
- Tons: × about 1.4 tons per yard = 1.6 tons.
The crushed stone calculator does this for any size.
Related: How Much #57 Stone for a 10x12 Greenhouse Floor?
Crushed stone needed by depth
| Depth | Cubic yards | Tons of crushed stone | Tons +10% |
|---|---|---|---|
| 2 in | 0.74 | 1.0 | 1.1 |
| 3 in | 1.11 | 1.6 | 1.7 |
| 4 in | 1.48 | 2.1 | 2.3 |
| 6 in | 2.22 | 3.1 | 3.4 |
Greenhouse tips
A stone floor drains spilled water, holds some heat and is easy to rake clean. Many growers use about 3 inches of pea gravel or washed stone over fabric, with paver or concrete stepping paths if they roll carts.
Related: How Much Crushed Stone for a 12x20 Greenhouse Floor?
Before the stone goes in
Remove sod and roots, level the area and slope it slightly for drainage. Install edging so the stone stays inside the footprint.
Buying the stone
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.
Tools for the job
A flat shovel, a steel rake, a wheelbarrow and a rented plate compactor cover most residential pads. A landscape rake or the back of a rake levels the top layer, and a long straightedge or a level string shows high and low spots before the final pass.
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.
Questions people ask
How many tons of crushed stone for a 10x12 greenhouse floor?
About 1.6 tons at 3 inches deep.
How many yards of crushed stone for a 10x12 greenhouse floor?
About 1.11 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.
Do I need to compact it?
Yes for anything that carries weight. Compact in lifts of a few inches with a plate compactor.
Related guides
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- Compacting a Driveway Gravel Base in Lifts
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