Rip Rap Calculator — Free Online Tool
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Rip Rap Calculator

Calculate rip rap stone volume, cubic yards, and total tonnage for erosion control

Rip Rap Standard: Rip rap rock weighs approximately 2,500 to 2,700 lbs (~1.35 tons) per cubic yard due to air voids between stones. Includes a 10% waste and irregular packing allowance.
Slope Area & Blanket Thickness

Calculation Results

⚠️ Rip rap blankets require a geotextile filter fabric underneath to prevent soil migration and embankment washout. Always verify stone size gradations with local engineering guidelines.

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