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Rainwater Harvesting

How much rainwater your roof can collect

Rainwater Harvesting Calculator

Roof Area (m²)
Annual Rainfall (mm)
Efficiency (%)

Rainwater harvesting collects rooftop rain for garden irrigation, toilet flushing, or other non-potable uses. Collection efficiency is typically 80–90% accounting for losses.

🔒
୧୦୦% ମାଗଣା
ପଞ୍ଜୀକରଣ ଆବଶ୍ୟକ ନାହିଁ
ସଠିକ
ଯାଞ୍ଚ ହୋଇଥିବା ସୂତ୍ର
ତତ୍‌କ୍ଷଣ
ତତ୍‌କ୍ଷଣ ଫଳ
📱
ମୋବାଇଲ୍ ଅନୁକୂଳ
ସମସ୍ତ ଡିଭାଇସ୍

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