Volume Calculation:
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1 3 River Rock refers to natural river rocks that range in size from 1 to 3 inches in diameter. These smooth, rounded stones are ideal for landscaping, drainage applications, and decorative purposes.
The calculator uses the volume formula:
Where:
Explanation: The calculator converts depth from inches to feet, calculates cubic feet, then converts to cubic yards (since rock is typically sold by the cubic yard).
Details: Proper volume calculation ensures you purchase the right amount of rock - enough to complete your project without excessive waste or multiple trips for additional material.
Tips: Measure your area accurately in square feet. For depth, 2-3 inches is typical for decorative coverage, while 4+ inches may be needed for drainage applications.
Q1: How much does 1 cubic yard of 1 3 river rock cover?
A: At 3-inch depth, 1 cubic yard covers about 100 square feet. At 2-inch depth, it covers about 150 square feet.
Q2: How much does 1 3 river rock weigh?
A: Approximately 1.25 to 1.35 tons per cubic yard, depending on moisture content.
Q3: Should I use landscape fabric under 1 3 river rock?
A: Yes, especially in planting beds, to prevent weeds and keep the rock from sinking into the soil.
Q4: Is 1 3 river rock good for drainage?
A: Yes, its size allows for good water flow while preventing soil erosion.
Q5: How do I maintain 1 3 river rock?
A: Occasionally rake to maintain appearance and remove debris. May need occasional topping up as rocks settle.