Lawn
Grass Seed Calculator
Use this page to measure lawn area and plan grass seed coverage, topdressing, or lawn repair material.
Estimated material
0.08 cubic yards2.3 cubic feet with buffer200 square feet covered- 3 bags at 1 cu ft
- Estimated cost: $13.5
Formula
lawn length × lawn width = square feet; use the seed label coverage rate for pounds needed
Coverage varies by seed type and whether you are overseeding or starting a new lawn. Check the bag label.
Quick reference
| Project size | Common use | Planning note |
|---|---|---|
| 100 sq ft | Small bed or walkway | Good for testing bagged material prices |
| 250 sq ft | Medium garden or patio area | Bulk delivery may start making sense |
| 500 sq ft | Large lawn, driveway, or landscape zone | Measure carefully and add a buffer |
FAQ
How do I estimate grass seed?
First calculate square footage, then divide by the coverage rate on your grass seed bag.
Do new lawns need more seed than overseeding?
Usually yes. New lawn rates are commonly higher than overseeding rates.
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