You'll need about
1.85
cubic yards of gravel
2.6
tons (approx)
50
cubic feet
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How this is calculated
area (ft²) × depth (in) ÷ 12 = cubic feet · ÷ 27 = cubic yards · × 1.4 ≈ tons (typical for crushed stone). Aggregate is usually sold by the ton, so the tons figure is what you order.
This is a planning estimate — always confirm against your supplier and the specifics of the job before ordering.
Gravel calculator: FAQ
How much gravel do I need?
Multiply the area by the depth in feet (inches ÷ 12), divide by 27 for cubic yards, then multiply by about 1.4 for tons. A 200 sq ft area at 3 inches is roughly 1.85 yards, about 2.6 tons.
How many tons of gravel are in a cubic yard?
Crushed stone and gravel weigh roughly 1.4 tons per cubic yard, though it varies by material and moisture. Suppliers usually sell by the ton.
How deep should a gravel layer be?
Two to three inches for a top-up or path; four inches or more (often over a base layer) for a driveway that will carry vehicles.
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