How Much Grass Seed for a 40×40 Lawn?

The answer

1680 pound

For a 40×40 ft lawn at 4" depth, with 5% overage included. Estimated cost: $10,080 at US national average pricing.

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How we calculated this

1. Area: 40 × 40 = 1600 sq ft
2. Convert + overage: Add 5% for waste → 1680 pound
3. Cost: 1680 × $6.00 ≈ $10,080

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