Sand Calculator

Estimate sand for leveling, landscaping, paver bedding, or general fill. Calculate bulk volume, weight, and whole bags with imperial or metric inputs and an adjustable bulk density.

Measurement system

Surface areaft² Enter an area greater than zero

Sand depthin Use finished uncompacted depth unless your project specification states otherwise. Enter a depth greater than zero

Bulk densitylb/ft³ Sand density varies with grading, moisture, and compaction. Replace the default with supplier data when available. Enter a bulk density greater than zero

Waste / overage% Enter an overage from 0% to 50%

Bag weightlb Use the net weight printed on the selected product. Enter a bag weight greater than zero

Calculation Results

Sand volume including overage

—yd³

Weight and bag count depend on the entered bulk density and bag weight.

How to estimate sand quantity

Measure the covered area

Use the total surface area after splitting irregular spaces into measurable shapes. A separate square-footage calculation can help with complex layouts.

Enter the finished depth

Choose imperial or metric units and enter the intended layer depth. Very thin or uneven layers can be difficult to place uniformly.

Confirm bulk density

Use a supplier or product value when available because moisture, particle grading, and compaction can materially change weight per unit volume.

Add overage and choose bag size

The volume and weight include the selected overage. Bag quantity is rounded up using the net bag weight you enter.

Sand volume, weight, and bag formulas

Sand volume is surface area multiplied by depth. The calculator converts all inputs to cubic feet, applies overage, and then converts the result to cubic yards and cubic meters.

Base volume = Surface area × Sand depth

Adjusted volume = Base volume × (1 + Overage ÷ 100)

Estimated weight = Adjusted volume × Bulk density

Whole bags = ceil(Estimated weight ÷ Bag weight)

Weight is volume multiplied by the user-entered bulk density. This is an estimate because the same nominal sand can change density with moisture, grading, handling, and compaction.

Sand depth and theoretical coverage

Coverage from one cubic yard on a level surface before overage or compaction.

Layer depth	Coverage from 1 yd³	Volume per 100 ft²
1 inch	324 ft²	0.309 yd³
2 inches	162 ft²	0.617 yd³
3 inches	108 ft²	0.926 yd³
4 inches	81 ft²	1.235 yd³

Methodology, assumptions and sources

Imperial calculations convert depth from inches to feet. Metric calculations convert centimeters to meters and cubic meters to cubic feet using exact NIST relationships. Overage is applied after base volume.

The default density is a neutral planning input, not a product claim. Users should replace it with supplier data. QUIKRETE’s product page demonstrates that packaged all-purpose sand is sold in more than one bag weight, so the bag-weight input remains adjustable.

Sources:

NIST Handbook 44, Appendix C (2026) — length, volume, and mass conversions.
QUIKRETE — All-Purpose Sand — example product uses and 50 lb and 70 lb package sizes.

Last reviewed: August 2026. Product specifications and supplier density take priority. These organizations do not endorse Efficienco.

Frequently asked questions

How many cubic yards of sand do I need?

Multiply area by depth using compatible units, convert the volume to cubic yards, and then add the selected overage. The calculator performs those conversions automatically.

Why is sand density adjustable?

Bulk density changes with particle grading, moisture, void space, and compaction. Supplier data is more reliable than a universal fixed value.

How many bags of sand are required?

The calculator divides estimated total weight by the entered net bag weight and rounds up to the next whole bag.

Does this include compaction?

There is no hidden compaction factor. Use project-specific compacted density or adjust depth and overage according to the specification and supplier guidance.