Grass seed calculator
Pounds of seed for new lawns or overseeding.
Short answer: lbs = (area ÷ 1,000) × rate per 1,000 sq ft. 1,000 sq ft × 6 lb/K = 6 lbs of seed. Enter your measurements above and the grass seed calculator returns the quantity, unit conversions and an estimated cost instantly, in imperial or metric — no sign-up needed.
What do you need to measure?
How does the grass seed calculator work?
lbs = (area ÷ 1,000) × rate per 1,000 sq ft.
What does a worked example look like?
1,000 sq ft × 6 lb/K = 6 lbs of seed.
What do people ask most?
›New lawn vs overseeding rate?
New: 6–8 lb per 1,000 sq ft. Overseed: 3–4 lb.
›Best seeding season?
Cool-season grasses: early fall. Warm-season: late spring.
Which yard & landscape calculator should you use next?
Where can you learn more?
Read field notes on estimating and materials, or browse every calculator we make.