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Paver Sand Bed Calculator

Calculate the bedding sand needed under a paver patio or walkway, separate from the base layer.

Result

Bedding Sand Needed
0.62 cu yd
Approx. Weight
0.86 tons

This is the thin leveling/bedding sand layer pavers rest directly on, separate from the thicker compacted gravel base layer below it - our Paver Base Calculator covers that base layer's material needs.

About the Sand Bed Calculator

This calculator estimates the bedding sand needed under a paver patio or walkway - the thin leveling layer pavers rest directly on, separate from the thicker compacted gravel base beneath it. Getting this quantity right matters because bedding sand is meant to create a smooth, screeded surface for setting pavers, not to bear structural load. Entering the patio's area and desired sand depth gives both a volume and an approximate delivered weight.

How It Works

You provide the total patio area in square feet and the bedding sand depth in inches, defaulting to the standard 1-inch layer used on most paver installations. The calculator converts depth to feet, multiplies by area to get cubic feet, divides by 27 to convert to cubic yards, and then multiplies the cubic yardage by 1.4 to estimate the weight in tons.

depth(ft) = depth(in) / 12; volume(cu ft) = area x depth(ft); volume(cu yd) = volume(cu ft) / 27; weight(tons) = volume(cu yd) x 1.4

Formula & Methodology

To work this by hand: convert your sand depth from inches to feet by dividing by 12, multiply by the square footage to get cubic feet, divide by 27 to reach cubic yards since a cubic yard equals 27 cubic feet, then multiply by 1.4 to translate that volume into an approximate tonnage for ordering.

Examples

Standard Patio Bed

At the default 200 square feet and 1-inch depth, the sand volume works out to about 0.62 cubic yards, or roughly 0.86 tons.

Deeper Bed for an Uneven Sub-Base

For a 350 square foot patio screeded to 1.5 inches, the volume comes to about 1.62 cubic yards, weighing approximately 2.27 tons.

Advantages

  • Keeps the bedding sand calculation separate from the base gravel layer, avoiding the common confusion between the two distinct materials.
  • Provides both a volume figure and a weight figure, matching whichever unit a supplier quotes by.
  • Defaults to the trade-standard 1-inch depth, reflecting how this layer is actually specified on real installations.

Common Mistakes

  • Using this calculator's thin bedding-layer math for the much deeper base gravel layer, which needs its own separate estimate.
  • Skipping proper screeding and compaction, assuming the sand will settle itself flat under the pavers.
  • Ordering sand by weight without confirming the local supplier's actual bulk density, which can shift the delivered volume.

Edge Cases to Watch For

  • The 1-inch default reflects standard trade practice - increasing the depth well beyond that isn't meant to compensate for an uneven base layer, which should be corrected by proper base compaction and grading instead.
  • The 1.4 tons per cubic yard figure is an average bulk density for sand; actual delivered weight can vary with moisture content and the specific sand type supplied.
  • This tool only covers the bedding layer, not the thicker structural gravel base beneath it, so it should be paired with a separate base material estimate.

Common Use Cases

  • Homeowners preparing a material order before a weekend patio project.
  • Contractors estimating sand quantities as part of a hardscaping bid.
  • Landscape suppliers converting a customer's square footage into a deliverable tonnage.
Written & fact-checked by the Calculateus TeamLast updated August 5, 2026How we verify our formulas

Frequently asked questions

Why is bedding sand kept so thin compared to the gravel base?

The gravel base layer provides structural load-bearing support and drainage, while the sand bed on top exists purely to create a smooth, level, screed-able surface for setting the pavers precisely - keeping it thin (about 1 inch) prevents the sand layer itself from shifting or rutting under load, which would happen if it were relied on for structural support.

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Conclusion

Because bedding sand is deliberately kept thin, small measurement errors can meaningfully change how far a load of sand goes. This calculator turns patio area and depth into both a workable volume and an order-ready weight.