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GreenYard
Area × depth, converted to the cubic yards your landscape or construction supplier sells in bulk.
A proper driveway or paver base layer is typically 4-6 inches of compacted gravel — skimping on base depth is a common cause of driveways and patios that shift, sink, or crack prematurely.
Loose gravel compacts significantly once driven or walked on and properly tamped — ordering based on the loose volume this calculator gives, then compacting in layers, gives a more stable final result than trying to compensate for compaction upfront.
Gravel needed
2.469 yd³
4 inches is typical for a driveway base layer; 2 inches for a decorative top layer.
What you entered
Volume in cubic feet
200 × (4/12)= 66.6667 ft³Convert to cubic yards
66.6667 ÷ 27= 2.4691 yd³Result
Gravel needed: 2.469 yd³
A 200 sq ft area at 4" deep needs about 2.4691358024691357 cubic yards of gravel.