Quantity of Grass Seed

Use sowing rate for product label calculate seed for one area.

Your numbers

Seed amount including extra allowance

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Use product seed rate and pack mass wey you enter, plus optional waste allowance. E no choose seed variety, sowing season or agronomic application rate.

Formula

Use M = Ar(1+w). A na area for m², r na labelled sowing rate for g/m², and w na waste fraction. M na grams before conversion to kilograms; packs get rounding up based on di pack mass wey you enter.

Use sowing rate for product label calculate seed for one area.

Example wey show the calculation

Area wey need covering (m²): 20
Seed rate wey product label give (g/m²): 30
Allowance for waste (%): 10
Mass for one pack (kg): 1

Seed amount including extra allowance: 0.66 kg
Packs wey the work need: 1

Where e fit work and limits

Use product seed rate and pack mass wey you enter, plus optional waste allowance. E no choose seed variety, sowing season or agronomic application rate.

We check inputs for missing values and allowed ranges. Result wey pass the finite numeric range no go show. Rounding affect wetin display, while calculation use the model numeric precision.

Check your units and assumptions before you rely on result. Changing label no convert currency or physical unit.

Version of di formula: 52efbdd72170 · Example don get check: 2026-10-30

Method