Square Feet to Cubic Yards Converter
Enter square feet area and depth to get cubic yards volume instantly. Supports all shapes and quick presets for gravel, mulch, soil.
Cubic Yards Formulas
Multiply area by depth in feet, then divide by 27.
- Area (sq ft) × Depth (ft) = Cubic feet
- Cubic feet ÷ 27 = Cubic yards
Rectangle Example
Length × Width × Depth (ft) ÷ 27
Circle Example
3.14 × (Diameter/2)² × Depth (ft) ÷ 27
Popular Conversions by Depth
| Square Feet | 2″ | 3″ | 4″ | 6″ | 12″ |
|---|---|---|---|---|---|
| 100 | 0.62 | 0.93 | 1.23 | 1.85 | 3.70 |
| 200 | 1.23 | 1.85 | 2.47 | 3.70 | 7.41 |
| 500 | 3.09 | 4.63 | 6.17 | 9.26 | 18.52 |
| 1000 | 6.17 | 9.26 | 12.35 | 18.52 | 37.04 |
Material Coverage per Cubic Yard
| Depth (inches) | Coverage (sq ft) |
|---|---|
| 1 | 324 |
| 2 | 162 |
| 3 | 108 |
| 4 | 81 |
| 6 | 54 |
| 12 | 27 |
Common Questions
Depth in inches? Divide by 12 for feet, then proceed.
Why divide by 27? One cubic yard equals 27 cubic feet.
Order extra? Add 5-15% for settling, edges.
Curved areas? Break into rectangles or circles.
Bulk vs bags? Bulk saves for large volumes; check delivery.
References
Furey, Edward. “Cubic Yards Calculator.” CalculatorSoup.com. Accessed December 13, 2025. https://www.calculatorsoup.com/calculators/construction/cubic-yards-calculator.php
Hazell, Alastair. “Square Feet to Cubic Yards.” TheCalculatorSite.com. Updated August 2, 2023. https://www.thecalculatorsite.com/conversions/common/square-feet-cubic-yards.php
“Cubic Feet to Cubic Yards Converter.” InchCalculator.com. Accessed December 13, 2025. https://www.inchcalculator.com/convert/cubic-foot-to-cubic-yard/