How much grass seed do you need for 10,000 square feet?
Seeding 10,000 square feet (10,000 sq ft) as a new lawn takes about 80 lb of tall fescue or 25 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 needed80 lb
Buy at least80 lb
Rate used8 lb per 1,000 sq ft
Lawn area10,000 sq ft
Seed for 10,000 square feet by grass type
Grass
New lawn
Overseeding
Tall fescue
80 lb
40 lb
Kentucky bluegrass
25 lb
12.5 lb
Perennial ryegrass
70 lb
35 lb
Fine fescue
45 lb
22.5 lb
Bermudagrass, hulled
15 lb
7.5 lb
Bahiagrass
75 lb
37.5 lb
Centipedegrass
5 lb
2.5 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)
10,000 ÷ 1,000 × 8 lb = 80 lb
Common questions
How much grass seed for 10,000 square feet?
About 80 lb of tall fescue or 25 lb of Kentucky bluegrass for a new lawn; about half for overseeding.
