RainYard Tools
Stored water use
Irrigation Days Calculator
Estimate how many watering days stored rainwater can cover.
Before you calculate
Good for matching a rain barrel or cistern to a garden bed.
- Mulch reduces demand.
- Native plants often need less once established.
- Drip irrigation wastes less than overhead sprinklers.
Watering days3.5Days covered at this schedule.
Use per day62 galEstimated gallons per watering day.
Weekly need187 galFor the selected area.
1
Enter stored gallons.
2
Set the garden area.
3
Spread weekly water across planned watering days.