Gardening Calculations: Soil, Spacing and Seeding
Plan a productive garden with confidence — how much soil to buy, how far apart to space plants and trees, how much seed and fertiliser you need, and the watering to keep it all thriving.
Plant Spacing Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Plants that fit
666
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Plant Spacing Calculator
The Plant Spacing Calculator works out your plants that fit in an instant. Enter bed area, row spacing and plant spacing and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the bed area.
- Enter the row spacing.
- Enter the plant spacing.
- Read off your plants that fit — the calculator updates automatically, with no button to press.
Worked example
For example, with bed area of 100 m², row spacing of 50 cm and plant spacing of 30 cm, the plants that fit is 666.
| Bed area | 100 m² |
|---|---|
| Row spacing | 50 cm |
| Plant spacing | 30 cm |
| Plants that fit | 666 |
|---|
Results are estimates for educational use, not professional advice.
Key terms explained
- Area
- The amount of two-dimensional space a shape covers, measured in square units.
Frequently asked questions
Divide the area by the space each plant takes (row spacing × plant spacing). A 100 m² bed at 50 × 30 cm fits about 666 plants.
Correct spacing gives plants room for roots, light and air, reducing disease and improving yield.
Staggered (triangular) spacing fits a few more plants in the same area. This tool uses simple grid spacing.
Enter each separately. Many crops use wider row spacing for access and closer spacing within the row.
Enter the bed area. Enter the row spacing. Enter the plant spacing. Read off your plants that fit — the calculator updates automatically, with no button to press.
Related guides
Plant Spacing Table: Plants that fit by Bed area
Reference table of plants that fit for Plant Spacing across a range of bed area values — exact, engine-computed figures you can read off at a glance.
How to Calculate Plant Spacing: Formula, Steps & Examples
Learn how to calculate Plant Spacing — the formula explained step by step, with worked examples and a free calculator to check your answer.
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