1. What is the Sand and Gravel Calculator?

This calculator helps determine the volume and weight of sand or gravel needed for your project. It uses standard measurements in cubic yards and pounds for accurate material estimation.

2. How Does the Calculator Work?

The calculator uses two simple formulas:

Where:

• \( Area \) — The surface area to be covered (in square yards)
• \( Depth \) — The depth of material needed (in yards)
• \( Density \) — Material density (2700 lb/yd³ for typical sand)

Explanation: First calculate the volume in cubic yards, then multiply by the material's density to get weight in pounds.

3. Importance of Accurate Calculations

Details: Proper calculation ensures you order the right amount of material - avoiding costly over-ordering or project delays from under-ordering.

4. Using the Calculator

Tips:

• Convert all measurements to yards before entering
• For irregular areas, calculate as multiple rectangles
• Typical densities: Sand ≈ 2700 lb/yd³, Gravel ≈ 2800-3000 lb/yd³
• Add 10-15% extra for compaction and spillage

5. Frequently Asked Questions (FAQ)

Q1: How do I convert square feet to square yards?
A: Divide square feet by 9 (1 yd² = 9 ft²). For depth, divide inches by 36 (1 yd = 36 in).

Q2: What's the difference between bank, loose and compacted yards?
A: Bank = undisturbed soil; Loose = excavated material; Compacted = after compaction. This calculator gives bank yards.

Q3: How much does a yard of sand/gravel weigh?
A: Sand ≈ 2,700 lbs, Gravel ≈ 2,800-3,000 lbs depending on type and moisture content.

Q4: How many wheelbarrows in a cubic yard?
A: About 14-18 wheelbarrow loads (depending on wheelbarrow size).

Q5: How do I calculate for multiple layers?
A: Calculate each layer separately then sum the volumes and weights.