Grass Seed Calculator
Calculate Grass Seed
Calculate pounds of grass seed for your lawn
Formula
Seed (lbs) = (Area / 1,000) x Rate per 1,000 sq ft
Frequently Asked Questions
How much grass seed do I need per 1,000 sq ft?
For a new lawn, use 6-8 lbs per 1,000 sq ft. For overseeding an existing lawn, use 3-4 lbs per 1,000 sq ft. Rates vary slightly by grass type.
What is overseeding?
Overseeding is spreading grass seed over an existing lawn to fill in thin areas, improve color, and introduce newer grass varieties. It requires less seed than starting a new lawn.
When should I plant grass seed?
Cool-season grasses (fescue, bluegrass) are best planted in early fall or spring. Warm-season grasses (Bermuda, zoysia) should be planted in late spring or early summer.
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