Free Garden Calculators
Plan your garden projects with clearer numbers. Our free calculators help you estimate materials, spacing, and quantities — no signup required. Results are approximate and intended for planning purposes only; always consult a professional for final specifications.
Mulch Calculator
Calculate how much mulch you need for any garden bed.
PopularSoil & Raised Bed Calculator
Estimate soil volume for raised beds, garden plots, and containers.
PopularGravel Calculator
Calculate gravel, crushed stone, or pea gravel for paths and driveways.
PopularPlant Spacing Calculator
Find the right spacing and total plant count for any bed.
PopularPaver & Patio Calculator
Estimate pavers, sand, and gravel base for patios and walkways.
Fence Calculator
Calculate posts, rails, pickets, and concrete for fence projects.
Lawn Seed Calculator
Determine seed quantities for new lawns or overseeding.
Deck Calculator
Estimate decking boards, joists, and hardware for your deck project.
Retaining Wall Calculator
Calculate blocks, capstones, and base material for retaining walls.
Compost Calculator
Calculate the right carbon-to-nitrogen ratio for your compost pile.