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Grass Seed Calculator — Pounds, Bags & Overseeding Rate
Editable live calculator
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No hidden assumptions. Inputs, units and the working stay visible so you can check the calculation.
Calculated result
42 lb seed · 3 bags
Entered rate: 8 lb / 1,000 ft²
Whole 20 lb bags: 3
Bag price not entered
Show the working
- 1. 5,000 ÷ 1,000 × 8 = 40 lb before allowance.
- 2. Apply 5% allowance and round packages up.
Use the seed label or agronomic recommendation for the species and job (new lawn vs overseeding); this tool does not prescribe a seeding rate.
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