Smart Rainfall Calculator
Harvest Rain, Predict Floods, Plan Crops
IMD 2025 Data | Mumbai, Delhi, Bengaluru, Chennai
Rainfall Results
Total Rain
0 L
Harvestable
0 L
Tank Size
0 L
Risk Level
Low
Tank Fill Level
0%
Fills in 0 days of monsoon
Rainwater Harvesting
Your City on India Rainfall Map
Mumbai
How It Works
1 sq ft × 1 mm rain = 0.623 Litres
Harvestable = Area × Rainfall × Efficiency / 1000
Tank Size = 30-day demand or 50% annual harvest
IMD 2025 Zones:
- Heavy (>1500 mm): Mumbai, Kerala, NE
- Moderate (800–1500 mm): Chennai, Kolkata
- Light (<800 mm): Delhi, Rajasthan
Used by 1M+ farmers, builders & eco-homes.