Using the calculator
Enter the values requested above. Convert rainfall depth over a catchment area into potential gallons of water.
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Rainfall to Gallons Calculator
Convert rainfall depth over a catchment area into potential gallons of water.
Enter your garden or yard measurements
Measure the actual area, depth, spacing, quantity, or product coverage that applies to the project. The rainfall to gallons tool converts those inputs into practical planning quantities.
Important: Use the inputs that match your situation. Results are estimates based on the values and assumptions entered.
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How to use this calculator
Reading the result
The result shows rainfall depth over a catchment area into potential gallons of water.
Results are estimates based on the values entered. Review the Methodology and Calculator Disclaimer for important limitations.