Grass Seed Calculator - How Much Seed Do I Need
Calculate how much grass seed to buy for a new lawn or overseeding.
Grass seed needed
3 kg
60 m²
Area
Typical rates: new lawn 30-50 g/m², overseeding 15-25 g/m².
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Frequently asked questions
How much grass seed per m²?
For a new lawn, sow 30-50 g/m²; for overseeding or patching, 15-25 g/m². A 60 m² new lawn needs between 2 and 3 kg.
When is the best time to sow grass?
Spring (March-May) or early fall (September-October) are best in most climates, when there is moisture and mild temperatures.
How to Calculate Grass Seed
Multiply the lawn area (length x width) by the seeding rate. For example, 60 m² x 0.035 kg/m² = 2.1 kg. Buy a little extra in case you need to overseed later.