How much grass seed do you need for 1,000 square feet?
Seeding 1,000 square feet (1,000 sq ft) as a new lawn takes about 8 lb of tall fescue or 2.5 lb of Kentucky bluegrass. Overseeding an existing lawn takes roughly half as much.
Change the numbers
The calculator below is pre-filled for this project. Adjust any value — including feet and inches — and the results update instantly.
Rates are typical mid-range values; your seed bag’s rate takes priority.
Your results
Grass seed needed8 lb
Buy at least8 lb
Rate used8 lb per 1,000 sq ft
Lawn area1,000 sq ft
Seed for 1,000 square feet by grass type
Grass
New lawn
Overseeding
Tall fescue
8 lb
4 lb
Kentucky bluegrass
2.5 lb
1.3 lb
Perennial ryegrass
7 lb
3.5 lb
Fine fescue
4.5 lb
2.3 lb
Bermudagrass, hulled
1.5 lb
0.8 lb
Bahiagrass
7.5 lb
3.8 lb
Centipedegrass
0.5 lb
0.3 lb
Seed blends list a seeding rate on the bag; when they do, use it instead of the species rates above.
The math (tall fescue)
1,000 ÷ 1,000 × 8 lb = 8 lb
Common questions
How much grass seed for 1,000 square feet?
About 8 lb of tall fescue or 2.5 lb of Kentucky bluegrass for a new lawn; about half for overseeding.
