Planting Needs Calculator

Estimate how many plants, soil volume, compost, and water you need for a planting area.

Planting area
(m²)

Total garden bed or planting area.

Plant spacing
(cm)

Distance between plants.

Soil depth
(cm)

Depth of soil to prepare or fill.

Compost share
(%)

Part of soil mix replaced by compost.

Water need
(L/m²/week)

Typical weekly watering estimate.

Main result
view

Choose the main output.

Main result

Compost needed

Based on selected compost share

Practical estimate only. Real planting needs depend on crop type, root depth, climate, soil texture, drainage, and season.