3 free tools
Gardening & Plants calculators
Explore gardening & plants tools with adjustable inputs, formulas, assumptions and worked examples. Choose a calculator below to see its method and limits.
Plant Spacing Calculator
Calculate how many plants fit in a garden bed based on spacing.
Open calculator →Mulch Calculator
Calculate cubic yards or cubic feet of mulch needed for any garden area.
Open calculator →Concrete Volume Calculator
Calculate cubic yards of concrete needed for a slab, footing, or path.
Open calculator →