Material Calculator
Calculate the exact amount of materials you need for your project
Decorative Rock Bed
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Circular Area
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Coverage Calculator
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How to Use Our Material Calculator
Our material calculator helps you determine the exact amount of stone, gravel, sand, or mulch you need for your project. Simply choose the shape that best matches your project area and enter the dimensions.
Tips for Accurate Calculations:
- Measure your area carefully using a tape measure
- For irregular shapes, break them down into multiple rectangles or triangles
- Add 10-15% extra material to account for compaction and waste
- Consider the depth carefully - most projects require 2-4 inches of material
All calculations are based on industry-standard material weights. Actual requirements may vary based on compaction, material moisture content, and project specifics.
Calculate Your Rock Needs
To estimate how much Rainbow River Rock your project needs:
- Small River Rock (1-2"): approx. coverage of 70 sq ft per cubic yard, at 2" depth
- Medium River Rock (2-4"): approx. coverage of 40-50 sq ft per cubic yard, at 3" depth
- Large River Rock (4-8"): best for substantial coverage, roughly 20-30 sq ft per cubic yard at 4-6" depth