How to convert square yards to tons
Square yards measure area, so they cannot convert directly to tons. Add the gravel depth to get cubic yards, then multiply by the loose bulk density for the exact product.
Cubic yards = square yards × depth in inches ÷ 36
Short tons = cubic yards × short tons per cubic yard
Example: 100 yd² at 3 in deep is 100 × 3 ÷ 36 = 8.333 yd³. At the page’s example supplier density range of 1.45–1.60 short tons/yd³, that is 12.08–13.33 short tons.
The quick reference below uses that same illustrative 1.45–1.60 short tons/yd³ density range. Replace it with your supplier’s figure before ordering.
| Depth | Cubic yards per yd² | Short tons per yd² |
|---|---|---|
| 1 in | 0.0278 | 0.040–0.044 |
| 2 in | 0.0556 | 0.081–0.089 |
| 3 in | 0.0833 | 0.121–0.133 |
| 4 in | 0.1111 | 0.161–0.178 |
| 6 in | 0.1667 | 0.242–0.267 |
How to convert cubic yards to tons
Short tons = cubic yards × short tons per cubic yard
If a supplier gives density in metric tonnes per cubic meter, stay in that system: metric tonnes = cubic meters × tonnes per cubic meter. Select metric tonnes / m³ in the converter instead of entering a metric density as short tons per yd³. GravelSum then shows both weight units from the same physical estimate.
Worked planning range
Suppose a measured project needs 4.2 yd³ and the supplier says the loose bulk density for the chosen product is between 1.45 and 1.60 short tons/yd³:
| Calculation | Result |
|---|---|
| 4.2 × 1.45 | 6.09 short tons |
| 4.2 × 1.60 | 6.72 short tons |
Plan for 6.09–6.72 short tons until your supplier confirms the density. If the quarry sells by half-ton increments, apply that rounding at the order stage: 6.5–7.0 short tons.
Why online answers differ
Gradation, rock type, moisture, fines, and how material is measured can change bulk density. A supplier aggregate calculator likewise cautions that densities vary between materials and results are estimates. That is why GravelSum lets you replace both density limits.
Useful exact conversions
- 1 cubic yard = 27 cubic feet
- 1 cubic yard = 0.764554857984 cubic meter
- 1 US short ton = 2,000 pounds
- 1 US short ton = 0.90718474 metric tonne
For traceable unit conversions, see the NIST unit conversion resources and NIST SP 811 Appendix B.8. These establish unit relationships; they do not establish a loose density for a material. For the supplier variability caution, see Mulzer Crushed Stone’s aggregate calculator notes.
Use the existing project calculator for your scenario
For pea-gravel paths, patios, play areas, and borders, use the pea gravel calculator to calculate volume and whole bags; open this converter when the supplier sells that same product by short ton or metric tonne. For a driveway with separate base and surface products, use the driveway layer calculators so each layer keeps its own density and quote.
Need to calculate volume first? Use the full gravel calculator.