Rainwater Harvesting & Drainage Calculator

Calculate rainwater collection capacity, irrigation potential, and drainage requirements for sustainable water management.

System Information

Calculation Results

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Enter details and click Calculate
Fill in the form and click Calculate Capacity to see your results

About This Calculator

How It Works

This calculator determines rainwater collection capacity based on roof area, rainfall, and collection efficiency, or calculates drainage requirements based on area, soil type, slope, and rainfall intensity. Results are estimates and may vary based on specific circumstances.

Water Management Tips

  • • Regular maintenance improves collection efficiency
  • • Proper drainage prevents water damage
  • • Storage capacity should match collection potential
  • • Consider local regulations for rainwater harvesting