Garden & Lawn Calculators
Ready to green up your lawn or design a new garden bed? Our free gardening calculators help you estimate the exact amounts of compost, mulch, topsoil, seed, sod, and spacing required for healthy, beautiful results. Choose a tool below to plan your landscape project.
Compost Calculator
Free compost calculator — estimate organic compost volume in cubic yards, weight in tons, and retail bags (1 cu ft or 2 cu ft) for lawns and garden beds.
Grass Seed Calculator
Free grass seed calculator — calculate the pounds of grass seed needed for tall fescue, bluegrass, or ryegrass (new lawn vs overseeding).
Landscape Fabric & Weed Barrier Calculator
Free landscape fabric & weed barrier calculator — calculate landscape rolls, overlap wastage, and required anchor pins or staples for garden beds.
Lawn Mowing Time & Efficiency Calculator
Free lawn mowing time & efficiency calculator. Calculate how long it takes to mow your lawn in hours/minutes based on deck width, mowing speed, efficiency, and acreage.
Mulch Calculator
Free mulch calculator — calculate cubic yards, bags, and cost for your garden or patio project. Works for all mulch types.
Plant Spacing Calculator
Free plant spacing calculator — estimate how many plants, flowers, shrubs, or vegetables are needed for a garden bed based on spacing and grid/triangular patterns.
Pond Volume & Pump Size Calculator
Free pond volume & pump size calculator. Estimate pond capacity in gallons, required rubber liner dimensions (including depth and overhang), and recommended filtration pump GPH.
Rainwater Harvesting Calculator
Free rainwater harvesting calculator — estimate monthly and annual water collection volume in gallons based on roof footprint and local precipitation.
Sod Calculator
Free sod calculator — estimate how many rolls, pieces, or pallets of grass sod turf you need to plant a fresh lawn, including project costs.
Soil & Topsoil Volume Calculator
Free soil & topsoil volume calculator — estimate landscaping soil, topsoil, or compost volume in cubic yards, weight in tons, and retail bag counts.
Tree Spacing & Hedge Calculator
Free tree spacing & hedge calculator — calculate tree quantities, staggered planting layouts, hedge densities, and estimated plant costs.
Vegetable Garden Yield & Raised Bed Soil Calculator
Free vegetable garden yield & raised bed soil calculator. Estimate raised bed soil volume in cubic yards/bags, plant spacing counts, and seasonal harvest yield in pounds.