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Grass Seed Calculator

Pounds of seed for a new or overseeded lawn.

Planning a landscaping project?

Tell us what you need and local pros will get in touch. Free, no obligation.

Save your results to your home — free.Open the full tool →

How to use this calculator

  1. Enter your lawn area.
  2. Choose new lawn or overseeding.
  3. See pounds of seed to buy.

Tired of calling around? Post your project once and let local pros come to you.

Frequently asked questions

How much grass seed per square foot?
New lawns need about 5 lbs of seed per 1,000 sq ft; overseeding an existing lawn needs about 3 lbs per 1,000 sq ft.
When should I seed a lawn in Canada?
Early fall is ideal in most of Canada, with spring as a second choice. Soil temperature and consistent moisture drive germination.
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