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How Much #57 Stone for a 10 Foot Circle?

Round areas such as fire pit patios, tree rings and seating circles use less stone than a square of the same width. A 10-foot circle is about 78.5 square feet; at 4 inches that is 1.3 tons of #57 stone.

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The math

  1. Area: 78.5 sq ft.
  2. Depth in feet: 4 ÷ 12 = 0.333 ft.
  3. Cubic yards: 78.5 × 0.333 ÷ 27 = 0.97 yd³.
  4. Tons: × about 1.35 tons per yard = 1.3 tons.

The crushed stone calculator does this for any size.

#57 stone needed by depth

DepthCubic yardsTons of #57 stoneTons +10%
2 in0.480.70.7
3 in0.731.01.1
4 in0.971.31.4
6 in1.452.02.2

Using a circle of stone

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.

Getting it delivered

If you haul it yourself, a typical half-ton pickup should carry only about half a cubic yard of stone, well under what the bed looks like it can hold. #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. Round up by about 10 percent for compaction and uneven ground.

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.

Measuring the area

Measure length and width in feet at a few points and use the largest figures, since real sites are rarely square. For odd shapes, split the area into rectangles and circles, work out each one and add them together. Depth is the number most people underestimate: drive a stake, run a level string and measure down to the dug-out surface in several spots.

Questions people ask

How many tons of #57 stone for a 10 ft circle?

About 1.3 tons at 4 inches deep.

How many square feet is a 10 foot circle?

About 78.5 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.

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.

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