Gravel Calculator
Estimate gravel by area and depth in tons or cubic yards.
Cubic yards
1.85
50 ft³
Tons
2.59
~1.4 tons per yd³
Area
200
square feet
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How the gravel calculator works
Gravel is estimated by volume, then converted to tons. Multiply the area by the depth (converted to feet) to get cubic feet, divide by 27 for cubic yards, and multiply by ~1.4 for tons.
Formula: tons = (L × W × D/12 ÷ 27) × 1.4
Popular uses for the gravel calculator
Gravel for a Driveway
Estimate tons and cubic yards of gravel for any driveway.
Gravel for a Paver Patio Base
Estimate crushed stone base for a paver, brick or flagstone patio.
Gravel for a French Drain
Estimate drainage stone for a French drain of any length.
Gravel for a Walkway
Estimate gravel for a garden walkway or path.
Gravel for a Shed Base
Estimate crushed stone for a shed foundation pad.
Frequently asked questions
How much gravel do I need for a driveway?
A typical residential driveway uses 4–6 in of gravel. For a 20×10 ft driveway at 4 in, you need about 2.5 yd³ (3.5 tons).
How many tons of gravel in a cubic yard?
About 1.4 tons per cubic yard for average crushed stone. Denser stone (river rock) can be 1.5+ tons/yd³.
How deep should gravel be for drainage?
3–4 in for a top layer; 6+ in for a base beneath pavers or concrete.
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