How Much Grass Seed for a 30×40 Lawn?
The answer
1260 pound
For a 30×40 ft lawn at 4" depth, with 5% overage included. Estimated cost: $7,560 at US national average pricing.
Calculate Grass Seed
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pound
- Area
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- With 5% overage
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- Or in pound
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- Estimated cost (US avg)
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How we calculated this
- 1. Area: 30 × 40 = 1200 sq ft
- 2. Convert + overage: Add 5% for waste → 1260 pound
- 3. Cost: 1260 × $6.00 ≈ $7,560
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