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Tools & calculators

Plan it before you plant it

Free calculators to size your seed, pick your zone, time your sowing and see what you’ll save — no sign-up.

Start here

Not sure where to begin? The Lawn Finder matches a lawn type to your light, soil and goals; the Zone Finder pins your USDA zone. From there, size the seed and check the payback below.

Find & plan

Pick the right lawn

Seed & cost

Size it and price it

Savings & care

See what you’ll save

Common questions

Are the tools free to use?

Yes — every calculator and finder here is free and needs no account. Enter your details and get an answer on the spot.

Which tool should I start with?

If you don’t yet know what to plant, start with the Lawn Finder. If you’ve chosen a seed and need quantities, use the seed calculator; to time sowing, the planting-date calculator.

How accurate are the seeding-rate and cost numbers?

They use standard per-area seeding rates and your inputs (area, zone, product), so they’re a reliable planning estimate. Always check the exact rate on the product page before buying.

Do the savings calculators reflect real figures?

The water, mowing and nitrogen savings tools compare a conventional lawn to a low-input one using typical usage figures — useful for a realistic before/after, not a guarantee for every yard.

Ready to choose?

Start with the Lawn Finder

A minute of questions, a climate-matched shortlist.