Garden Watering Calculator
Calculate weekly water needs for your garden based on size, temperature, rainfall, and soil type.
Inputs
sq ft
F
in
Results
Water Needed This Week
31.2 gal
Times per Week3
Minutes per Watering2.1 min
Annual Water Cost$6.49
Drought Risk (1=Yes, 0=No)0
How to Use This Calculator
- Enter your garden area in square feet and select the plant density (1=Sparse, 2=Normal, 3=Dense/intensive).
- Enter the average daytime temperature in °F and the total rainfall received this week in inches.
- Select your soil type: sandy soil drains quickly and requires more frequent watering; clay retains moisture longer.
- Review Water Needed This Week (gallons), the recommended watering frequency, and minutes per session.
- Use the Annual Water Cost estimate to budget your seasonal irrigation expense.
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