Calculators
Plant Population Calculator
Estimate plant count and density from field area, row spacing, and plant spacing.
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Version 1.0.0 · Last reviewed
Tool
Result
Live output from your inputs
Enter values and calculate to see results.
How it worksShow guideHide guide
Introduction
Estimate how many plants fit in a field from area and spacing between rows and plants.
Formula
Plant count is field area divided by the product of row spacing and plant spacing (same units).
- A — Field area
- r — Row spacing
- p — In-row plant spacing
- N — Estimated number of plants
Step-by-step
- Enter field area and unit.
- Enter row spacing in centimetres.
- Enter in-row plant spacing in centimetres.
Worked example
1 ha with 75 cm rows and 25 cm plant spacing holds about 53,333 plants (~53,333/ha).
Use cases
- Plan nursery transplant counts
- Check seed packet needs for given spacing
- Compare density options before sowing
Frequently asked questions
Does this include paths or wastage?
No. It assumes full coverage at the given spacing. Reduce the result if you leave headlands or gaps.
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