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A grass seed calculator determines the amount of seed required to establish or overseed a lawn. Seeding rates vary by grass species and whether you are creating a new lawn or overseeding an existing one (which requires less seed).

Формула

Total seed = Area × Application rate

Водич корак по корак

  1. 1Measure lawn area in square metres
  2. 2Choose application rate: new lawn 35g/m², overseeding 25g/m²
  3. 3Total seed = Area × Application rate
  4. 4Add 10% contingency for uneven distribution

Worked Examples

Инпут
50m² new lawn
Резултат
~1.75kg seed
50 × 35g = 1,750g = 1.75kg
Инпут
100m² overseeding
Резултат
~2.75kg seed
100 × 25g + 10% = 2.75kg

Frequently Asked Questions

What is Grass Seed?

A grass seed calculator determines the amount of seed required to establish or overseed a lawn. Seeding rates vary by grass species and whether you are creating a new lawn or overseeding an existing one (which requires less seed)

How accurate is the Grass Seed calculator?

The calculator uses the standard published formula for grass seed. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Grass Seed calculator use?

This calculator works with inches, square metres, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Grass Seed calculator use?

The core formula is: Total seed = Area × Application rate. Each step in the calculation is shown so you can verify the result manually.

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