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Plant Watering Frequency & Volume Calculator

Watering schedule from pot size, soil type, and plant type.

Estimates how often to water a plant and how much water to use from pot diameter, soil drainage, and light conditions.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Days_between = base_days × soil_factor × light_factor

In depth

Estimates how often to water a plant and how much water to use from pot diameter, soil drainage, and light conditions.