Calculate the perfect system size for your urban farm
Calculate Your System Size
Enter your details to get customized recommendations for tank size, costs, and ROI.
Your Customized System
Recommended Tank Size
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Annual Water Collection Potential
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Maximum rainwater you can collect per year
Estimated System Cost
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Annual Water Savings
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ROI Timeline
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Payback period based on municipal water costs
Next Steps:
- Use these numbers to get quotes from suppliers
- Consider adding 20% buffer for future expansion
- Check local regulations and incentives
- Review our Automation Tools Guide for efficiency
Understanding Your Results
Tank Size Recommendations
| Usage Type | Tank Size | Typical Cost |
|---|---|---|
| Small balcony (100-200L/day) | 1,000-3,000L | ₹10,000-25,000 |
| Medium rooftop (300-500L/day) | 5,000-10,000L | ₹30,000-60,000 |
| Large farm (500-1000L/day) | 10,000-20,000L | ₹60,000-₹1.2 lakh |
| Commercial (1000+L/day) | 20,000-50,000L | ₹1.2-3 lakh |
System Components
A complete rainwater harvesting system includes:
- Collection surface: Roof gutters and downspouts
- First flush diverter: Removes initial dirty water
- Filtration system: Removes debris and contaminants
- Storage tank: Main water reservoir
- Distribution system: Pumps and pipes
- Overflow management: Handles excess water