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?

What is the answer?

Pounds of seed
6.0
50 lb bags
1
Est. cost
$30

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.

What should you read before you order materials?

Field notes from real jobs that explain the numbers behind this calculator.