SUMMARY
LITRES PER DAY 0
LITRES PER YEAR 0
RAIN HARVESTED 0
TANK SIZE 0,000
Roof Area (Sqr. Metres)
Average Annual Rainfall (mm)
Rain Harvested (litres) 0

Assume the tank can fill 3 times per year (Depends on rainfall and usage patterns)
0,000
Minimum Tank Size