How Much Grass Seed for a 10,000 sq ft New Lawn?
Calculate the grass seed quantity needed to establish a new 10,000 square foot lawn at 4 lbs per 1,000 sq ft.
How to use this tool
- Measure your lawn area in square feet (length × width).
- Check the seed bag label for the recommended seeding rate in lbs per 1,000 sq ft.
- Add a 10% waste factor for uneven spreading.
- The calculator shows base seed needed and total to purchase.
Seeding a new 10,000 square foot lawn from scratch requires a good amount of seed — this calculator gives the exact pounds to purchase.
Frequently asked questions
- How much grass seed do I need per square foot?
- Seeding rate is usually given per 1,000 sq ft. New lawns typically need 5–8 lbs/1,000 ft², while overseeding an existing lawn needs 3–4 lbs/1,000 ft².
- When is the best time to seed a lawn?
- Cool-season grasses (fescue, bluegrass, ryegrass) seed best in early fall or spring. Warm-season grasses (bermuda, zoysia) establish best from late spring to early summer.