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Pea Gravel Calculator Square Feet

Pea Gravel Calculation Formula:

\[ Amount = \frac{sq\ ft \times depth\ (in)}{12} \times \frac{density\ (lbs/cu\ ft)}{2000}\ \text{for tons} \]

sq ft
inches
lbs/cu ft

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1. What is Pea Gravel?

Pea gravel is small, rounded stones about the size of peas (typically 1/8" to 3/8" in diameter) used for landscaping, pathways, and drainage projects. It's available in various colors and is popular for its smooth texture and decorative appeal.

2. How Does the Calculator Work?

The calculator uses the following formula:

\[ Amount = \frac{sq\ ft \times depth\ (in)}{12} \times \frac{density\ (lbs/cu\ ft)}{2000}\ \text{for tons} \]

Where:

Explanation: The formula calculates volume in cubic feet, multiplies by density to get weight in pounds, then converts to tons.

3. Importance of Accurate Calculation

Details: Accurate calculation ensures you purchase the right amount of material - too little means multiple trips to the store, too much wastes money and storage space.

4. Using the Calculator

Tips: Measure your area carefully in square feet. Common depth recommendations: 2-3" for pathways, 4+" for driveways. Default density is set to 95 lbs/cu ft (typical for pea gravel).

5. Frequently Asked Questions (FAQ)

Q1: How much does pea gravel cost per ton?
A: Prices vary by region but typically range from $30-$60 per ton, plus delivery fees for large quantities.

Q2: How deep should I lay pea gravel?
A: For walkways, 2-3 inches is typical. For driveways or high-traffic areas, 4-6 inches is recommended.

Q3: Do I need landscape fabric under pea gravel?
A: Yes, landscape fabric helps prevent weeds and keeps the gravel from sinking into the soil.

Q4: How do I maintain pea gravel?
A: Rake periodically to maintain even distribution. Add fresh gravel every few years as needed.

Q5: Can pea gravel be used for drainage?
A: Yes, its porous nature makes it excellent for French drains and other drainage applications.

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