Skip to content
Garden1001.com
Sign in Open calculators

Grass Seed Calculator

Seed pounds for new or overseed lawns.

Inputs

Inputs and assumptions

Pick how you measured the lawn.

Length for rectangles.

Width for rectangles.

Diameter for circles.

Measured area, if known.

New lawns need about twice the seed.

Sets the sowing rate.

Common 10, 20, 50 lb bags.

Seed price, 0 skips cost.

Result

Bags to buy
3
Seed cost (USD)
180
Sowing rate (lb/1k sq ft)
10.0 lb/1k sq ft
Seed needed (kg)
22.7 kg
Seed needed (lb)
50.0 lb
Seed-rate estimate only. Cultivar, coating, and region change rates; the bag label for your seed is authoritative.

Related calculators

Guides

Workspace

Save the estimate with its measurements.

Reopen this job at the store, recheck the math, and print the material list.

Sign in to save Create account

Sign in or create an account to save this estimate.