All toolsGravel & Base Calculator
Gravel & Base Material Estimator
Enter your area size and compacted depth — get cubic yards and estimated tons to order. Try the driveway example (20' × 12' × 4").
Area & depth
Feet
Inches
Feet
Inches
Coverage
20' × 12' × 4"
240 sq ft · ¾" crushed stone
Volume to order
3.3 cu yd
Net 2.96 yd³ + 10% waste
Estimated weight
4.4 tons
For truck / dump planning
Area
240 sq ft
Volume (net)
80 cu ft (2.96 yd³)
Compact after delivery
Loose pile volume is larger; compact in lifts
Yes — order by compacted yardage
Depth is compacted thickness after grading. Driveways often need 4"–6" base under asphalt or pavers.
Want a pro to handle it?
SMT Construction serves Cleveland & Northeast Ohio.