Landscaping & Drainage Calculators
3 ToolsFree engineering-grade material calculators built for American jobsites. Solved in standard US retail packaging, ASTM yields, and nominal physical dimensions.
French Drain Gravel & Pipe Displacement Calculator
Calculate gravel, pipe displacement, and geotextile fabric for French drain installations. Subtracts exact 4" or 6" pipe volume.
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Paver Base, Sand & Polymeric Sand Estimator
Calculate compacted gravel base tons, bedding sand bags, and polymeric sand for paver patios and driveways.
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Lawn Overseeding & Fertilizer Rate Calculator
Calculate seed pounds and starter fertilizer per 1,000 sq ft tailored to Kentucky Bluegrass, Tall Fescue, Bermuda, or Zoysia.
Free Online Tool
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