Grass Seed Calculator
Plan grass seed amounts for new lawns or overseeding.
Step 1: Units
Step 2
Enter project measurements
Use decimals if needed (e.g. 3.5).
Step 3
How to use this calculator
Enter lawn area and selected seeding rate.
What the math is doing
Pounds = (sq ft ÷ 1000) × rate.
Frequently asked questions
Sun vs shade mix?
Different rates per blend.
Birds?
Light mulch cover protects seed.
Irrigation?
Germination window needs moisture.
Weeds?
Pre-emergent timing conflicts with seeding—read labels.