Sand Calculator
Estimate sand volume in cubic feet and yards, material weight, waste allowance, tonnage, and cost.
About sand volume and weight estimates
Sand calculation examples
| Inputs | Estimated material | Planning note |
|---|---|---|
| 20 ft by 10 ft by 6 in, 100 lb per cu ft, 10% waste | 4.07 cu yd; 5.5 tons | Waste is included in order volume and weight. |
| 12 ft by 8 ft by 4 in, 90 lb per cu ft, no waste | 1.19 cu yd; 1.44 tons | A lower bulk density reduces estimated weight. |
| 30 ft by 15 ft by 3 in, 105 lb per cu ft, 8% waste | 4.5 cu yd; 6.38 tons | Verify whether the supplier rounds by ton or truckload. |
How to calculate sand
- Measure the rectangular length and width in feet and average depth in inches.
- Enter the supplier's bulk density or use a reasonable planning value.
- Add a waste allowance for compaction, settlement, and site variation.
- 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.