Home Back

1 3 River Rock Calculator

Volume Calculation:

\[ Volume = Area \times Depth \]

ft²
inches

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is 1 3 River Rock?

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.

2. How Does the Calculator Work?

The calculator uses the volume formula:

\[ Volume = Area \times Depth \]

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).

3. Importance of Accurate Volume Calculation

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.

4. Using the Calculator

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.

5. Frequently Asked Questions (FAQ)

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.

1 3 River Rock Calculator© - All Rights Reserved 2025