Potting Soil Calculator

Convert round-pot or rectangular-bed volume into liters and bag counts.

Drainage layers, reused soil, and compaction can change actual needs.

Shape Pot diameter (cm) Depth/height (cm) Bed length (cm) Bed width (cm) Bag size (L)

GUIDE

How to use it

Calculate potting mix liters and bag count from pot or bed dimensions.

The calculation is a starting point. Check drainage, soil condition, plant condition, and season together.

Is the result exact?

It is a reference based on simple presets and volume formulas. Adjust to the real growing conditions.

Is data sent to the server?

No. Calculations run in the browser only.