Grass Seed Calculator
Updated Formulas shown
Seeding rates depend on the grass: tall fescue 6–8 lb per 1,000 ft² for a new lawn, Kentucky bluegrass 2–3, Bermuda 1–2. A 50 × 40 ft lawn of tall fescue needs about 14 lb.
Grass seed
14 lb
- Bags
- 1
- Lawn area
- 2,000 ft²
Quick reference
| Area | Tall fescue (7) | Perennial rye (8) | KY bluegrass (2.5) | Bermuda (1.5) |
|---|---|---|---|---|
| 1,000 ft² | 7 lb | 8 lb | 2.5 lb | 1.5 lb |
| 2,500 ft² | 17.5 lb | 20 lb | 6.3 lb | 3.8 lb |
| 5,000 ft² | 35 lb | 40 lb | 12.5 lb | 7.5 lb |
| 10,000 ft² | 70 lb | 80 lb | 25 lb | 15 lb |
| 1 acre | 304.9 lb | 348.5 lb | 108.9 lb | 65.3 lb |
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Frequently asked questions
How much grass seed do I need for overseeding?
About half the new-lawn rate — 3–4 lb of tall fescue per 1,000 ft².
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Estimates only. Check quantities with your supplier or contractor before ordering.