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Sand Calculator

Estimate tons, cubic yards, and 50-lb bags of sand for paver bedding, a sandbox, mortar, or fill — with density set by the type of sand you are buying.

Formula and figures last reviewed by the Cosyslabs team · how we verify

Inputs

Result

Sand needed
0.92 tons
Volume
0.65 yd³
50-lb bags
37
Weight
1838 lb
Density used
105 lb/ft³
Waste
5%

Waste default: 5% — Five percent covers screeding losses and the material that stays in the truck bed or bag.

Estimates only. Verify with a licensed contractor or supplier before purchasing. Rough Estimator! is not responsible for shortages, overages, or material variances. See our methodology for formulas and sources.

Formula

Volume ft³ = L × W × (D in ÷ 12) × (1 + waste)   ·   Tons = ft³ × density ÷ 2000

References

  1. ASTM C33 — Standard Specification for Concrete Aggregates
  2. Interlocking Concrete Pavement Institute — Bedding sand guidance

Related tools & materials

Don't forget

  • Crushed base rock
  • Polymeric joint sand
  • Landscape fabric
  • Edge restraint
  • Screed rails

Frequently asked questions

Multiply length by width by depth in feet to get cubic feet, then multiply by about 100 lb/ft³ and divide by 2,000 for tons. A 20 × 10 ft area at 1 inch deep is 16.7 cubic feet — roughly 0.85 tons, or about 34 fifty-pound bags.
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Cosyslabs. (2026). Sand Calculator. Rough Estimator!. https://roughestimator.com/sand-calculator

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