Lawn Calculator
Calculate how much grass seed, sod, and fertilizer you need for your lawn project. Works for new lawns and overseeding existing lawns.
🌱 Enter Your Lawn Dimensions
Overseeding uses half the seed rate
How to Calculate Grass Seed and Sod
Our lawn calculator helps you determine the right amount of grass seed, sod, and fertilizer for your lawn project. Whether starting a new lawn or overseeding an existing one, accurate calculations save money and ensure proper coverage.
Grass Seed Rates by Type
- Kentucky Bluegrass: 2-3 lbs per 1,000 sq ft (fine seeds)
- Tall Fescue: 6-8 lbs per 1,000 sq ft
- Perennial Ryegrass: 6-8 lbs per 1,000 sq ft
- Bermuda Grass: 1-2 lbs per 1,000 sq ft
- Zoysia Grass: 1-2 lbs per 1,000 sq ft
Sod vs Seed: Which is Better?
Seed is more economical and offers more variety, but takes 2-3 months to establish. Sod provides instant results and prevents erosion but costs significantly more. Choose sod for slopes, high-traffic areas, or when you need quick results.
When to Seed Your Lawn
Cool-season grasses (Kentucky Bluegrass, Fescue) should be seeded in early fall (September) or early spring. Warm-season grasses (Bermuda, Zoysia) should be seeded in late spring to early summer when soil temperatures reach 65-70°F.