Grass seed calculator

Free grass seed calculator for new lawns and overseeding. Pick a grass type and lawn size to convert extension-style lb per 1,000 sq ft rates into bags to buy.

Enter area to see seed needed.

Rates are approximate ranges summarized from university extension guidance—not agronomic advice for your site. Adjust for germination %, seed quality, and local recommendations. St. Augustine is typically established with sod or plugs, not seed.

Markdown mirror · llms.txt for AI agents. Results are estimates—verify labels and local guidance.