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Material Calculators
At Direct Rock Source, we make your material planning simple with our easy-to-use Material Calculators. Whether you’re estimating for a backyard project or coordinating a large-scale construction job, our tools help you determine how much rock, gravel, sand, soil, or mulch you’ll need—based on your project dimensions and material type.
📐 How It Works
Just enter your project area in square feet, desired installation depth, and select the material type. Our calculators will automatically estimate the required:
- Cubic Yards
- Tons
These estimates are based on average material densities and are intended to help you get close to your needs.
🚧 Available Calculators
We currently offer estimators for:
- Gravel & Crushed Rock
- Decomposed Granite (DG)
- Sand (PG&E, Masonry, Concrete, Play)
- Soil & Topsoil
- Compost & Amendments
- Mulch & Bark
- Rip Rap & Cobbles
Calculator is tailored to typical density values for that material category. For precise coverage based on job specs, we recommend consulting with your contractor or reaching out to us directly.
⚠️ Disclaimer
These tools are for estimation purposes only. Material volumes can vary due to compaction, moisture, settling, and job site handling. For accurate quantities, please consult with a certified installer or request a formal quote from our team.
💬 Need Help?
Not sure how to calculate your totals? Reach out anytime—we’re here to help you get it right the first time.
Learn more about industry standards for aggregates at the California Department of Transportation.