Stone Dust Formula:
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Stone dust, also known as rock dust or quarry dust, is a byproduct of crushing stone. It's commonly used as a base material for patios, walkways, and driveways, or as a setting bed for pavers and flagstones.
The calculator uses the following formula:
Where:
Explanation: The formula first converts all measurements to yards (depth from inches to feet, then to yards), calculates cubic yards, then multiplies by density to get tons.
Details: Accurate calculation helps in proper project planning, budgeting, and ensures you order the right amount of material - avoiding both shortages and costly overages.
Tips: Measure your project area carefully. For irregular shapes, divide into rectangles. Typical depth for most applications is 2-4 inches. Standard density for stone dust is 1.5 tons/cu yd.
Q1: What's the typical density of stone dust?
A: Most stone dust has a density of about 1.5 tons per cubic yard, but this can vary slightly by material type and moisture content.
Q2: How deep should I spread stone dust?
A: For most applications, 2-4 inches is typical. For heavy use areas or vehicle traffic, 4-6 inches may be needed.
Q3: Can I use this calculator for other materials?
A: Yes, but you'll need to adjust the density value accordingly (e.g., sand is typically 1.2-1.3 tons/cu yd).
Q4: How do I measure irregular areas?
A: Break the area down into rectangles, calculate each separately, then sum the totals.
Q5: Should I order extra material?
A: It's wise to order 5-10% extra to account for compaction, spillage, and measurement variations.