Grass Seed Calculation:
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The grass seed calculation determines how many pounds of seed you need to cover a specific area based on the coverage rate of the seed product. This ensures you buy the right amount of seed for your lawn project.
The calculator uses the following equation:
Where:
Explanation: The equation simply divides your total area by how much area one pound of seed covers to determine how many pounds you need.
Details: Calculating the correct amount of grass seed prevents over-seeding (wasting money) or under-seeding (patchy lawn). Different grass types have different coverage rates.
Tips: Measure your lawn area accurately in square feet. Check the seed package for the specific coverage rate (default is 250 ft²/lb). All values must be positive numbers.
Q1: What's a typical coverage rate for grass seed?
A: Most grass seeds cover 200-400 square feet per pound. Check your specific seed product for exact coverage.
Q2: Should I buy extra seed?
A: It's often recommended to buy 10-15% extra to account for uneven distribution or areas that need reseeding.
Q3: How do I measure my lawn area?
A: For rectangular areas, multiply length × width. For irregular shapes, break into smaller rectangles or use an online mapping tool.
Q4: Does seed type affect coverage?
A: Yes, different grass types have different seed sizes and recommended sowing rates. Always check the package.
Q5: When is the best time to seed?
A: Cool-season grasses are best planted in early fall or spring. Warm-season grasses do best when planted in late spring/early summer.