Seed Quantity Calculator
Seed Quantity Calculator
Allow for expected germination, establishment and spare seeds.
The target transplant count can be greater than the number of seeds that actually germinate and establish.
Use your seed lot's germination information and a realistic establishment allowance before adding spare seeds.
How to use Seed Quantity Calculator
- Enter final plants required, expected germination and survival after germination.
- Enter extra seeds, seeds per packet and packet price.
- Select Calculate result. Read the returned values alongside the assumptions below before copying, exporting or acting on the result.
Why choose this tool?
Separate losses show why the sowing quantity is greater than the final plant target.
Before you use the result
Expected averages cannot guarantee the final plant count. Use the seed lot and your own establishment record.
Questions about Seed Quantity Calculator
Does the seed count guarantee enough plants?
No. The calculation uses expected averages. Real germination and establishment can differ.
What should I check before using Seed Quantity Calculator?
Check Final plants required, Expected germination, Survival after germination and Extra seeds. Use the exact units shown beside the controls and replace any example values with your own inputs.
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