How much grass seed do you need for 7,500 square feet?
Seeding 7,500 square feet (7,500 sq ft) as a new lawn takes about 60 lb of tall fescue or 18.8 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 needed60 lb
Buy at least60 lb
Rate used8 lb per 1,000 sq ft
Lawn area7,500 sq ft
Seed for 7,500 square feet by grass type
Grass
New lawn
Overseeding
Tall fescue
60 lb
30 lb
Kentucky bluegrass
18.8 lb
9.4 lb
Perennial ryegrass
52.5 lb
26.3 lb
Fine fescue
33.8 lb
16.9 lb
Bermudagrass, hulled
11.3 lb
5.6 lb
Bahiagrass
56.3 lb
28.1 lb
Centipedegrass
3.8 lb
1.9 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)
7,500 ÷ 1,000 × 8 lb = 60 lb
Common questions
How much grass seed for 7,500 square feet?
About 60 lb of tall fescue or 18.8 lb of Kentucky bluegrass for a new lawn; about half for overseeding.