Garden Calculators
Pick a calculator. Each one runs entirely in your browser and shows cubic feet, cubic yards, and bag counts together.
Compost Calculator
Top-dress or amend a bed — cubic yards, bags, and tons.
Open calculator →Plant Spacing Calculator
How many plants fit — square, triangular, or square-foot grid.
Open calculator →Topsoil Calculator
Order by the yard or the ton, bagged vs bulk.
Open calculator →Mulch Calculator
Stop overbuying — yards, bags, and coverage at your depth.
Open calculator →Raised Bed Soil Calculator
A full mix shopping list: topsoil, compost, and aeration.
Open calculator →Soil Calculator
Garden soil, fill dirt, or a custom depth.
Open calculator →Garden Soil Calculator
Bed size and depth to cubic yards, bags, and cost.
Open calculator →Garlic Planting Calculator
Cloves needed and spacing for any bed size.
Open calculator →Bulb Calculator
How many fall bulbs fit your bed, by spacing.
Open calculator →Cover Crop Calculator
Seed by weight for your bed size and crop.
Open calculator →Leaf Mulch Calculator
Bags of leaves needed, whole or shredded.
Open calculator →Lawn Topdressing Calculator
Compost, topsoil, or sand for your lawn size.
Open calculator →
Not a calculator, but just as useful
Look up your last and first frost dates by ZIP code, plus your USDA hardiness zone.