WATER WITH A NUMBER

Garden Watering Calculator

Estimate weekly gallons from planted area and target water depth, then adjust for rainfall and local restrictions.

Planted area (sq ft)Target water depth per week (in)Expected rainfall (in)

The estimate uses 0.623 gallon per square foot for each inch of water. Plant, soil, weather and local watering restrictions can change the appropriate target.

How to use this result

Measure the real space, item or animal—do not rely on a category name.
Compare the result with the exact variant and current manufacturer documentation.
Treat a missing limit as unknown, not as permission.

US units: This tool starts with inches, feet, pounds, gallons or acres to match common US shopping information.