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Convert area measurements from square metres into common metric and imperial units.
Calculators / Ecology / Plant spacing density
Plant spacing density calculator
Estimate plant density for a rectangular grid of evenly spaced rows.
On this page
Plants per square metre4.44
Theoretical plant count444.44
Plants per hectare44,444.44
Calculator controls
How to calculate
Estimate plant density for a rectangular grid of evenly spaced rows.
Plants per square metre =
10000/(r*p)Theoretical plant count =
A*10000/(r*p)Plants per hectare =
1e8/(r*p)Worked example
- Row spacing (cm): 75
- In-row plant spacing (cm): 30
- Planted area (m²): 100
- Plants per square metre: 4.44
- Theoretical plant count: 444.44
- Plants per hectare: 44,444.44
Assumptions and limits
Theoretical counts ignore edge effects, paths, germination, mortality and planting offsets. This is not a crop-specific spacing recommendation.
Results are rounded for display; calculations use unrounded values. Read our calculation methodology.
Understanding the result
Estimate plant density for a rectangular grid of evenly spaced rows. Use the area actually planted. A fractional count is a density estimate; plan a real layout and count full positions.
When this tool is useful
Use the area actually planted. A fractional count is a density estimate; plan a real layout and count full positions.
Understanding your inputs
| Input | Example |
|---|---|
Row spacing (cm) r | 75 |
In-row plant spacing (cm) p | 30 |
Planted area (m²) A | 100 |
Frequently asked questions
What does this model leave out?
Theoretical counts ignore edge effects, paths, germination, mortality and planting offsets. This is not a crop-specific spacing recommendation.
How do I reproduce the example?
Enter the displayed example values in their labelled units. Apply the formula before rounding; change one input at a time to compare scenarios.