You have an area and a selected gravel depth and need quantities for a supplier conversation. Enter square feet and inches to get cubic yards. Enter the material’s density in pounds per cubic foot to also estimate weight in US short tons.
Start with the area and selected depth
Use the area that receives this layer. If your takeoff has several rectangles, add their areas before entering the total. Keep different depths in separate calculations. This tool does not select a drainage layer, base section, or finished depth.
The volume calculation multiplies area by depth after converting inches to feet. Sakrete’s All-Purpose Gravel data sheet gives the length-times-width-times-depth method with dimensions in feet. Divide the resulting cubic feet by twenty-seven to get cubic yards, using the cubic-yard conversion described by Sakrete.
Replace the density example for your material
The density field starts at 100 pounds per cubic foot. That is an approximate product example derived from the Sakrete sheet’s sixty-pound bag and approximate yield of 0.6 cubic feet. It is not a density for every aggregate. The source and derivation remain visible in the formula disclosure.
Ask your supplier for the density that matches the material and condition being quoted. Replace the example value before relying on the weight estimate. This calculator uses exactly the density you enter; it does not identify the stone or adjust for its condition.
Weight is volume times density. The calculator divides pounds by two thousand because it reports US short tons, as defined by NIST. It does not report metric tonnes or long tons.
Carry the assumptions into the quote
For example, 324 square feet at one inch deep gives twenty-seven cubic feet, or one cubic yard. At an entered density of 100 pounds per cubic foot, the weight is 1.35 US short tons. Changing density changes weight; it leaves the geometric volume unchanged.
No waste or compaction allowance is added. Ask the supplier and the person responsible for the specified layer how those assumptions affect the quote. Confirm the order quantity and delivery arrangement directly. The rounded display is an estimate, not a truck payload check or a delivery increment.
Check the inputs and results
Scroll to read all columns.
| Planned input | Unit or rule |
|---|---|
| Layer area | Nonnegative square feet |
| Selected depth | Positive inches |
| Material density | Positive pounds per cubic foot |
| Intended result | Area × depth ÷ 12 ÷ 27 gives cubic yards. Cubic feet × density ÷ 2,000 gives US short tons. |
Use the selected depth and your supplier’s density. The estimate adds no waste or compaction allowance. Confirm both adjustments before ordering.
Before you release the gravel delivery
Review grading and drainage with the excavation sub and the landscaping sub. PNNL’s grading guidance addresses drainage; quantity alone does not select a finished grade.
Keep access and excavation questions with the responsible crew. OSHA’s excavation requirements address site controls that a volume and density calculation cannot check.
Use the material-delivery guide before release. Builders FirstSource’s delivery page describes its own tracking records; confirm your aggregate supplier’s receiver, access, and shortage process.
Return to the construction tools hub for the other quantity checks and printable records.
Where Cercha fits
Use the Cercha app’s Search filters to find the trade for your sitework scope. Use Messages to discuss the area, selected layer, and access details. Keep the supplier’s material description and density with your takeoff.