How Much #57 Stone for a 30 Foot Circle?
How much #57 stone for a 30 foot circle: about 11.8 tons at 4 inches deep. A circle 30 feet across covers about 706.9 square feet (3.1416 × 15²).
Volume and tonnage calculator →The math
- Area: 706.9 sq ft.
- Depth in feet: 4 ÷ 12 = 0.333 ft.
- Cubic yards: 706.9 × 0.333 ÷ 27 = 8.73 yd³.
- Tons: × about 1.35 tons per yard = 11.8 tons.
The crushed stone calculator does this for any size.
Related: How Much Gravel for a 30 Foot Circle?
#57 stone needed by depth
| Depth | Cubic yards | Tons of #57 stone | Tons +10% |
|---|---|---|---|
| 2 in | 4.36 | 5.9 | 6.5 |
| 3 in | 6.54 | 8.8 | 9.7 |
| 4 in | 8.73 | 11.8 | 13.0 |
| 6 in | 13.09 | 17.7 | 19.4 |
Where round stone areas work
Circles show up around fire pits, under swing sets, around trees and as seating areas. Steel or paver edging keeps the round shape crisp and holds loose stone in place. Rake the stone level after spreading and add a thin top-up after the first season.
Related: How Much Pea Gravel for a 30 Foot Circle?
Buying the stone
Most quarries and landscape yards deliver by the ton; ask whether there is a minimum and a delivery fee, and where the driver can dump without damaging your lawn. #57 is a washed stone of roughly 1/2 to 1 inch with few fines; it drains fast but stays a little loose on its own. The scale ticket is the real weight; tons per yard here is a planning figure.
Common mistakes
The most frequent problem is ordering for the finished depth without allowing for compaction, which can shrink a loose layer by 10 to 20 percent. Another is skipping fabric on soft soil and watching the stone vanish into the mud over the first wet season. Spreading everything in one thick layer instead of compacted lifts also leaves a soft, rutted surface.
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.
Questions people ask
How many tons of #57 stone for a 30 ft circle?
About 11.8 tons at 4 inches deep.
How many square feet is a 30 foot circle?
About 706.9 square feet.
How many tons of #57 stone are in a cubic yard?
Roughly 1.35 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
- Gravel for a Fire Pit Area: Best Types 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 Decomposed Granite for a 30 Foot Circle?
- How Much Crushed Stone for a 30 Foot Circle?
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