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Palouse River Rock - Gravel Calculation
If you have any question concerning quantities, deliveries, pick-ups or prices, please don't hesitate to contact us. We will help find the best solutions for you.
You can quickly and easily calculate approximately how much gravel you will need to cover a specified area.
Calculate Cubic Yards of Material Needed:
- Area (square feet) x depth (feet) = required volume in cubic feet.
- Divide by 27 to convert cubic feed volume to cubic yards (c.y.).
Rock is sold by the ton; conversion from cubic yards to ton varies depending on the type of rock, and the desired amount of compaction. Conversion factors range from 1.6-1.95 ton / cy
- Volume (c.y.) * Applicable Conversion Factor = tons needed
Example: Driveway 300 lf long and 10 feet wide to be covered 2” thick with 5/8minus gravel uncompacted: