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Calculator Answers

Sand Calculator

Blake Boege
Written by Blake Boege · Founder, Calculator Answers

A sand calculator is a construction and landscaping utility that computes the volume and weight of sand required for a specific project. The calculator processes the area dimensions and target depth, calculating the volume in cubic yards, cubic feet, or cubic meters. It then multiplies the volume by the standard density of sand to estimate the total weight in tons, pounds, or kilograms. Contractors, builders, and homeowners use this tool to estimate material quantities and transport requirements for pavers, sandboxes, and masonry projects.

Enter the area to cover and the depth, pick a sand density, and the calculator returns the volume in cubic feet and cubic yards, the weight in tons, the number of 50 lb bags, and an optional cost estimate from bag or per-ton pricing.

See also: Topsoil Calculator, Mulch Calculator, and Gravel Calculator.

Quick Answer

Estimate the amount of sand needed for your landscaping, construction, or sandbox project. Enter the dimensions to calculate sand weight and volume.

Coverage area

ft
ft

Depth unit

Sand type / density

Common loose dry sand: ~100 lb/ft³ (1.60 t/m³).

Bags and price (optional)

lb

50 lb is typical.

USD
USD

Notes

  • Densities are approximate. Real sand varies with moisture and grain shape; weight a sample if precision matters.
  • 1 cubic yard = 27 cubic feet. 1 ton = 2,000 lb.
  • Bag delivery is convenient for small jobs (under 1 yard³). Bulk delivery wins on price for larger projects.

Educational estimate. Always confirm with the supplier's quoted density and yardage.

Sand order

Sand needed

1.67 tons

1.23 yd³ (33.33 ft³); about 3,333 lb

Volume33.33 ft³ (1.23 yd³)
Weight3,333 lb (1.67 tons)
Bags67

Bag count is rounded up to the next whole bag. Bag cost and bulk (per ton) cost are both shown when both prices are entered, so you can compare delivery options.

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Examples

10 x 10 ft, 4 in dry sand

≈ 33 ft³, 1.23 yd³, 1.67 tons

Sandbox 8 x 6 ft, 6 in play sand

≈ 24 ft³, 0.89 yd³, 1.26 tons

Walkway base 30 x 4 ft, 2 in

≈ 20 ft³, 1.00 tons (dry)

Custom area, 100 lb/ft³ density

Cost compared bag vs ton

How it works

Sand quantity is a volume-and-density problem. The calculator computes the cubic-foot volume from your dimensions, multiplies by the chosen density, and converts to tons and bags.

Volume · V (ft³) = L x W x D

Weight · lbs = V x density (lb/ft³); tons = lbs / 2,000

1 yd³ = 27 ft³. Bag count is ceil(lbs / bag size).

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Topsoil CalculatorCalculate topsoil cubic yards, bags, and cost for lawn topdressing, garden beds, raised beds, or custom depth jobs. Compares bag delivery against bulk yardage so you can pick the cheaper option.Mulch CalculatorEstimate cubic yards and the number of 2 cu ft and 3 cu ft bags of mulch needed to cover an area.Gravel CalculatorEstimate cubic yards and tons of gravel needed to cover an area at any depth.Cubic Yard CalculatorFind the cubic yards you need for concrete, gravel, mulch, or soil from length, width, and depth — with weight estimates.

Frequently asked questions

Multiply length, width, and depth in the same units to get volume. Convert to cubic yards by dividing cubic feet by 27. Multiply volume by sand density (in lb/ft³) to get weight; tons = pounds / 2,000.

Sand weight per unit volume varies. Dry sand is around 100 lb/ft³, wet sand around 120, masonry sand around 105. Picking the right preset makes the tonnage realistic, especially for bulk orders.

Bagged sand (typically 50 lb) is sold per bag and is convenient for small jobs. Bulk sand is sold per ton (or per cubic yard) and is much cheaper per pound for jobs over about 1 cubic yard. The calculator shows both costs if you enter both prices.

Play sand is washed and screened (smaller, more uniform grain) and is safer for kids. Masonry sand is finer for mortar mixes. Fill sand is coarser and used for base layers under pavers or concrete. Density is roughly similar; the differences are grain size and cleanliness.

Bag count is rounded up to the next whole bag. A job that needs 0.7 bags still requires buying one full bag. For larger jobs, buying bulk often costs much less per pound than buying bags.

No. The calculator is an educational estimate. Real-world density depends on moisture content and grain shape; ordering and delivery may use slightly different quotes. Confirm with the supplier.