Grass Seed Calculator

lbs

How to Calculate Grass Seed Requirements

Grass seed requirements are calculated using the formula:

\text{Total Seed Needed} = \text{Lawn Area} \times \text{Seeding Rate}

Steps:

  1. Measure the lawn’s dimensions: Enter the length and width of the lawn in feet or meters.
  2. Determine the seeding rate: This is usually provided on the seed packaging (e.g., pounds per square foot or kilograms per square meter).
  3. Calculate the area: Multiply the length by the width.
  4. Estimate the seed: Multiply the area by the seeding rate to get the total grass seed needed.

Example Calculation

Let’s calculate the seed required for a lawn that is 50 ft long and 30 ft wide, with a seeding rate of 2 lbs per square foot:

  1. Lawn Area = 50 × 30 = 1,500 sq ft
  2. Total Seed Needed = 1,500 × 2 = 3,000 lbs

Common Seeding Rates and Lawn Types

Lawn TypeSeeding RateNotes
Kentucky Bluegrass1–2 lbs per 1,000 sq ftBest for cool-season climates.
Bermuda Grass2–3 lbs per 1,000 sq ftIdeal for warm-season areas.
Perennial Ryegrass3–5 lbs per 1,000 sq ftGrows quickly, great for overseeding.