Calculate Grass Seed Weight and Coverage Area

4.0 kg
114 m²
*Calculation is based on an average seed mix density of 0.4 kg/L.

This calculator helps you determine the approximate weight of your grass seed based on its volume and the total area it can cover at a specified seeding rate. This is useful for planning your lawn seeding project without a scale.

To use the calculator, simply enter the volume of seed you have in liters and your target seeding rate in grams per square meter (g/m²). The tool will instantly provide the estimated weight and coverage area.

Formulas Used

The calculations are based on an average grass seed mix density of 0.4 kg/L.

  • Seed Weight (kg) = Seed Volume (L) × 0.4
  • Coverage Area (m²) = (Seed Weight (kg) × 1000) / Seeding Rate (g/m²)

Example

Let's say you have 10 liters of seed and the recommended application rate is 35 g/m².

  1. First, find the weight: 10 L × 0.4 kg/L = 4.0 kg.
  2. Next, calculate the area: (4.0 kg × 1000) / 35 g/m² ≈ 114 m².

Your seed weighs approximately 4.0 kg and will cover about 114 square meters.