Grass Seed Calculator
Kilograms of grass seed for a lawn area at a given sowing rate.
Result
Seed needed (kg)
3.50
Seed needed (g)
3,500
How it works
Seed (kg) = area × rate ÷ 1000
Enter the lawn area and the sowing rate (usually 30–40 g/m² for a new lawn, 20 g/m² for overseeding). Example: 100 m² at 35 g/m² → 3.5 kg.
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Frequently asked questions
How much grass seed per m²?
About 35 g/m² for a new lawn, 20 g/m² to overseed an existing one.
How much for 100 m²?
At 35 g/m²: 100 × 35 = 3,500 g = 3.5 kg.
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