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How Much Limestone Screenings for a 5x50 Walkway?

How much limestone screenings for a 5x50 walkway is a quick volume problem. 250 square feet at 3 inches comes to 2.31 cubic yards. Limestone screenings usually weighs about 1.3 to 1.5 tons per cubic yard, so plan on roughly 3.2 tons.

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The math for a 5x50 walkway

  1. Area: 5 × 50 = 250 sq ft.
  2. Depth in feet: 3 ÷ 12 = 0.250 ft.
  3. Cubic feet: 250 × 0.250 = 62.5 cu ft.
  4. Cubic yards: ÷ 27 = 2.31 yd³.
  5. Tons: × 1.4 = 3.2 tons.

The volume and tonnage calculator does this for any size.

Limestone screenings needed by depth

DepthCubic yardsTons (approx.)Tons +10%
1 in0.771.11.2
2 in1.542.22.4
3 in2.313.23.6

About limestone screenings

Limestone screenings are the fine dust and chips left after crushing limestone. They pack very tight, which makes them a common setting bed for pavers and flagstone and a surface for paths. Ask your supplier for their own tons-per-yard figure, since stone source and moisture shift it.

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. Since the walkway carries foot traffic, a little extra depth is cheap insurance.

Ordering tips

  • Round up. Compaction and uneven ground eat material. Adding about 10 percent is common.
  • Delivery size. 3.6 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.

When to choose limestone screenings

Best suited to:

  • Paver and flagstone setting beds
  • Firm walking paths
  • Top-dressing a compacted stone base

Poor fit for:

  • Deep layers on their own
  • Low spots that collect water
  • Under heavy vehicle traffic without a base

Quick reference numbers

  • Per inch over 100 sq ft: about 0.43 tons of limestone screenings (0.31 cubic yards).
  • Per inch over 1,000 sq ft: about 4.3 tons.
  • Another size for comparison: a 8x16 area at 4 inches takes about 2.2 tons.
  • Weight used here: about 1.4 tons per cubic yard.

Common estimating mistakes

  • Ordering exactly the math. Uneven ground and spillage nearly always need a little more than the flat calculation.
  • Using inches as if they were feet. Depth has to be divided by 12 before you multiply; skipping that step inflates the order twelvefold.
  • Assuming every supplier uses the same weight. Two yards selling the same product name can quote different tons per yard.
  • Measuring only the main rectangle. Aprons, turnouts and curved edges add real square footage.

Questions people ask

How many tons of limestone screenings for a 5x50 walkway?

About 3.2 tons at 3 inches deep, or 3.6 tons with 10 percent extra.

How many cubic yards is a 5x50 walkway at 3 inches?

About 2.31 cubic yards.

How much does a cubic yard of limestone screenings weigh?

Usually around 1.3 to 1.5 tons, depending on stone size, fines and moisture.

How deep should limestone screenings be for a walkway?

The table above shows 1 to 3 inches. Shallower depths suit top dressing; deeper depths suit new installs and heavier use.

How many square feet is 5x50?

250 square feet.

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