🌾 Overseeding Calculator

Exactly How Much Grass Seed You Need

Get the right seed quantity for your grass type — full overseed or touch-up, with bag count.

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Calculate Your Seed Amount

Select your grass type and lawn area to get an accurate seed purchase recommendation.

💡 Best time to overseed cool-season grasses is late summer/early fall. Warm-season grasses do best in late spring. Mow low and dethatch before seeding for best germination.
Seed to Purchase
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Gear & Tips
What You'll Need
My Spreader Pick
Top Pick
ECHO RB-60 Heavy-Duty Broadcast Spreader
“The spreader I use on my own lawn — nothing else comes close.”
  • 60 lb hopper — covers up to 25,000 sq ft per load
  • Factory-calibrated spread pattern up to 8 ft wide
  • Maintenance-free gear case — no grease, no hassle
  • Foot-operated side deflector keeps product off driveways & beds
  • 10" pneumatic tires handle any terrain with ease
  • Powder-coated steel frame — 5-year consumer warranty
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My Sprinkler Pick
Top Pick
Melnor XT Metal Turbo Oscillating Sprinkler with Flow Control
“Best sprinkler I've ever owned — covers the whole yard and I can dial it in exactly where I want it.”
  • Covers up to 4,500 sq ft — 20 precision nozzles for even, consistent coverage
  • TwinTouch controls independently adjust width and range — keep water off the driveway
  • Zoom control shrinks or expands the watering zone for precise coverage
  • Infinity Turbo Drive delivers smooth, puddle-free oscillation
  • Metal construction built to last — backed by a Limited Lifetime Warranty
  • Rated best oscillating sprinkler by Wirecutter
Check Price & Availability →
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Seeding Tips

Keep newly seeded areas consistently moist until germination. Avoid heavy foot traffic for 4–6 weeks. A starter fertilizer high in phosphorus helps establish new seedlings quickly.