Overseeding Calculator
Calculate grass seed requirements for overseeding your lawn. Get precise seed quantity, cost estimates, and application instructions for any lawn size.
Step 1: Lawn Dimensions
Lawn Measurements
For irregular shaped lawns, break into rectangles and calculate each area separately. For circular lawns, measure the diameter. Overseeding is typically done in spring or fall.
Step 2: Seeding Details
About Overseeding
Overseeding introduces new grass seed into existing turf to improve density, enhance color, and reduce weeds. Best done when soil temps are 50-65°F (10-18°C).
Overseeding Calculation Results
Total Project Cost
Seeding Application Guide
Application Instructions
1. Mow existing grass short. 2. Remove debris and thatch. 3. Spread seed evenly using broadcast spreader. 4. Lightly rake to ensure seed-soil contact. 5. Apply starter fertilizer. 6. Water frequently until established.
Material & Cost Breakdown
Seed Calculation Formula
Total Seed (lbs) = (Lawn Area (sq ft) × Seeding Rate (lbs/1000 sq ft) × Coverage Factor) / 1000
Calculate lawn area based on shape. Multiply by seeding rate (typically 3-5 lbs per 1000 sq ft for overseeding). Adjust for coverage factor based on preparation quality.
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