Sand Calculator

Estimate sand volume in cubic feet and yards, material weight, waste allowance, tonnage, and cost.

Sand volume, weight, and cost
Enter the project dimensions, bulk density, waste allowance, and delivered or pickup price per ton.

About sand volume and weight estimates

A sand calculator estimates the material needed to fill a rectangular area to a specified depth. Length multiplied by width gives area in square feet. Because depth is entered in inches, dividing it by twelve converts the layer thickness to feet. Multiplying all three dimensions produces cubic feet, and dividing cubic feet by twenty-seven produces cubic yards. These volume units are commonly used for bagged materials, landscape supply, construction fill, bedding, and bulk delivery. Weight depends on bulk density, not volume alone. Dry loose sand, damp sand, compacted sand, and different gradations can have noticeably different densities. The default planning density is a convenient general estimate, but a supplier's product data or measured bulk density is better. This calculator multiplies base cubic feet by the entered pounds per cubic foot and then applies the waste allowance. Pounds are divided by two thousand to report US short tons. Do not use this conversion where suppliers quote metric tonnes without adjusting the units. A waste allowance helps cover uneven excavation, settlement, compaction, spillage, grade variation, and small measurement errors. The appropriate percentage depends on the application and site. A carefully formed level bed may need little extra, while irregular landscaping or deep fill may justify more. The order volume shows cubic yards after waste, and estimated cost multiplies waste-adjusted short tons by the entered price per ton. Delivery minimums, trucking fees, taxes, equipment, labor, geotextile, edging, drainage, and compaction are not included. Sand type matters as much as quantity. Concrete sand, masonry sand, fill sand, play sand, bedding sand, and specialty aggregates are processed for different purposes. Substituting a material solely because its calculated volume matches can create drainage, strength, finish, or safety problems. Confirm the required gradation and installation depth from project specifications. For structural fill, slabs, pipes, pavers, concrete mixes, or engineered drainage, follow approved plans and compaction testing requirements. Use this estimate to plan a purchase and compare supplier quotes, then confirm actual density, moisture condition, truck capacity, delivery access, and final order rounding with the material supplier.

Sand calculation examples

InputsEstimated materialPlanning note
20 ft by 10 ft by 6 in, 100 lb per cu ft, 10% waste4.07 cu yd; 5.5 tonsWaste is included in order volume and weight.
12 ft by 8 ft by 4 in, 90 lb per cu ft, no waste1.19 cu yd; 1.44 tonsA lower bulk density reduces estimated weight.
30 ft by 15 ft by 3 in, 105 lb per cu ft, 8% waste4.5 cu yd; 6.38 tonsVerify whether the supplier rounds by ton or truckload.

How to calculate sand

  1. Measure the rectangular length and width in feet and average depth in inches.
  2. Enter the supplier's bulk density or use a reasonable planning value.
  3. Add a waste allowance for compaction, settlement, and site variation.
  4. Enter the price per short ton, calculate, and confirm order rounding with the supplier.

Frequently asked questions

How many cubic feet are in a cubic yard?

There are twenty-seven cubic feet in one cubic yard. The conversion assumes both volumes use the same uncompacted material condition.

How much does a cubic yard of sand weigh?

Weight varies with gradation, moisture, and compaction. At 100 pounds per cubic foot, one cubic yard weighs about 2,700 pounds or 1.35 short tons.

Should I include a waste allowance?

Usually, because real excavations and finished grades are not perfectly uniform. Compaction, settlement, and handling loss can also increase the delivered quantity required.

Does moisture change the estimate?

Yes, moisture changes bulk weight and can affect measured volume. Use supplier data that reflects the delivered condition when accurate hauling or cost estimates matter.

Can this calculate sand for concrete?

It can estimate a bulk sand volume, but it does not design a concrete mix. Use an approved mix specification for cement, water, fine aggregate, and coarse aggregate proportions.