Lawn Seed Calculator - Calculate Grass Seed Quantity
Calculate grass seed for lawns and turf areas
Enter Your Measurements
Results
Total Square Feet
0.00 sq ft
Seed Needed
0.00 lbs
With 10% Waste
0.00 lbs
Estimated Total Cost
$0.00
Results update automatically as you type
How to Use the Lawn Seed Calculator
Our lawn seed calculator helps you estimate the amount of grass seed needed for your lawn. Follow these steps:
- Select the shape of your lawn area
- Enter measurements in feet
- Enter seed rate (new lawns: 4-5 lbs/1000 sq ft, overseeding: 2-3 lbs/1000 sq ft)
- Optionally enter price per pound to calculate total cost
The calculator shows area, pounds of seed needed, and includes 10% waste factor.
Frequently Asked Questions
How much grass seed do I need per 1000 square feet?
For new lawns, use 4-5 lbs per 1000 sq ft. For overseeding existing lawns, use 2-3 lbs per 1000 sq ft.
When is the best time to seed a lawn?
Early fall (late August to September) is ideal for cool-season grasses. Spring (April-May) works for warm-season grasses.
Should I buy extra grass seed?
Yes, buy 10-15% extra for bare spots, repairs, and uneven germination. Grass seed can be stored for 2-3 years if kept dry and cool.