Snap Tool Suite

Free Lawn & Garden Calculators

Buy the right amount the first time — how much grass seed, sod, fertilizer, mulch, and soil your yard actually needs, with the real agronomy behind it. Free and instant in your browser.

Calculate grass seed Browse all tools
Real seeding & fertilizer rates Measured by your yard's size Instant, no sign-up
Reviving the yard? Size the job with the Grass Seed Calculator or Sod Calculator, then feed it right with the Fertilizer Calculator.

Lawn & turf

Seed, sod, and feed — the right amount, the right rate.

Fertilizer Calculator

Lbs of fertilizer per 1,000 sq ft to hit a target nitrogen rate from any N-P-K analysis — the real agronomic math, with bag count.

Open

Grass Seed Calculator

Pounds of grass seed for your lawn by grass type — full rate for a new lawn or half-rate for overseeding — plus bags to buy.

Open

Sod Calculator

Square feet of sod, rolls and pallets to order, and total cost for your lawn — with a waste % for cuts and odd shapes.

Open
Lawn care supplies Spreaders, seed, and fertilizer for a thicker lawn. Shop on Amazon → affiliate

Garden & soil

Mulch, soil, and beds measured to your space.

Mulch Calculator

Calculate how much mulch you need for your garden beds based on area and depth.

Open

Raised Garden Bed Soil Calculator

Calculate the amount of soil needed to fill your raised garden beds by dimensions.

Open
Garden & soil supplies Raised beds, soil, and mulch to get growing. Shop on Amazon → affiliate

More yard tools

Every other lawn, garden, and outdoor calculator.

Cubic Yard Calculator

Calculate cubic yards needed for landscaping, gravel, mulch, and other bulk materials — enter dimensions in feet or meters.

Open

Paver Patio Cost Estimator

Installed cost range for a paver patio by size and material, plus how many pavers you need and a DIY materials figure.

Open

Sprinkler System Cost Estimator

Installed cost range for an in-ground sprinkler system by yard size and zones, with controller and backflow broken out.

Open

Artificial Turf Cost Estimator

Estimate the cost to install artificial turf based on square footage, material quality, and labor in your area.

Open

Retaining Wall Cost Estimator

Estimate the cost of building a retaining wall based on height, length, materials, and labor.

Open

Lawn Watering Schedule Planner

Plan your lawn watering schedule based on weather, grass type, and soil conditions.

Open

Square-Foot Garden Planner

Plan a space-efficient square-foot garden — layout your planting grid and maximize your harvest in a small area.

Open

Vegetable Garden Planting Calendar

Plan when to plant vegetables based on your location and frost dates — know planting times, maturity dates, and harvest windows.

Open

Lawn Care Pricing Calculator

Price lawn care and landscaping by lot size, services, and overhead to hit your margin.

Open
More Lawn & Garden gear & guides Top-rated picks to go with these lawn & garden tools. Shop on Amazon → affiliate

As an Amazon Associate we earn from qualifying purchases — at no extra cost to you. Affiliate disclosure.

← Browse all free tools