Tree Watering Calculator
Calculate weekly watering requirements for trees based on size, age, weather, and soil conditions.
Inputs
Results
Weekly Water Need
64.7 gal
≈ 13 buckets
How to Use This Calculator
- Enter Trunk Diameter, Tree Age Category, and Weekly Rainfall.
- Set Average Temperature and Soil Type.
- Review the Weekly Water Need (gal) result.
- Use Times per Week and Minutes per Session (min) to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
How the result changes with Average Temperature
| Average Temperature | Weekly Water Need |
|---|---|
| 39 | 21.5 gal |
| 62 | 21.5 gal |
| 89 | 93.5 gal |
| 111 | 136.7 gal |
What each input means
- Trunk Diameter
- Trunk diameter at breast height in inches.
- Tree Age Category
- 1=Newly planted (< 2 years), 2=Young (2-10 years), 3=Established (10+ years).
- Weekly Rainfall
- Rainfall received this week in inches.
- Average Temperature
- Average daytime temperature this week.
- Soil Type
- 1=Sandy (drains fast), 2=Loam, 3=Clay (retains moisture).
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersTrunk Diameter = 12, Tree Age Category = 2, Weekly Rainfall = 0.5, Average Temperature = 80 = 5 input(s) provided
- Calculate Weekly Water NeedWeekly Water Need64.7 = 64.7
- Calculate Times per WeekTimes per Week2 = 2
- Calculate Minutes per SessionMinutes per Session6.5 = 6.5
Related Calculators
The questions that sit next to this one — chosen by subject, including calculators filed under a different category.
Root Zone Protection Calculator
Calculate the critical root zone and minimum protection radius for trees near construction.
Tree Care & ArboricultureMulch Ring Calculator
Calculate how much mulch you need for tree rings including volume, bags, weight, and cost.
Garden PlanningIrrigation Schedule Calculator
Plan your garden watering schedule based on plant type, soil, climate, and sun exposure. Get gallons per week, session duration, and cost estimates.
Garden PlanningGarden Watering Calculator
Calculate weekly water needs for your garden based on size, temperature, rainfall, and soil type.
Weather & ClimateRainfall & Irrigation Calculator
Calculate lawn irrigation needs based on rainfall, lawn size, and target watering. See weekly water deficit, watering time, and cost.
More in Home, Garden & Maintenance.