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Farming Calculators

Plant Population Calculator

Plants per hectare from row spacing and in-row spacing, with the total for a field.

Enter values

Results update as you type.

Result

Plants per hectare

63,333

Plants per acre
25,631
Plants per m²
6.33
Total plants in the field
633,333
Row length per hectare
13,333 m
Area per plant
0.1579 m²

About the Plant Population Calculator

Plants per hectare from row spacing and in-row spacing, with the total for a field.

Also known as: plants per hectare, crop density calculator, population per acre, row spacing population.

How to use this calculator

  1. Enter row spacing, spacing within the row, field area, allowance for gaps.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

plants/ha = 10,000 ÷ (row spacing × in-row spacing in metres)

Worked example

Using the values pre-filled in the calculator above:

  • Row spacing = 75 cm
  • Spacing within the row = 20 cm
  • Field area = 10 hectares
  • Allowance for gaps = 5 %

the calculator returns:

  • Plants per hectare: 63,333
  • Plants per acre: 25,631
  • Plants per m²: 6.33
  • Total plants in the field: 633,333