Toilet
Toilet flush
per person and year %s m³

× persons = l

Washing machine
Washing machine
per person and year %s m³

× persons = l

Cleaning
Cleaning
per person and year %s m³

× persons = l

Garden
Garden water usage
l/m² per year

× = l

  • Rainwater demand= l
  • Rainwater available= l
  • Tank size= l
  • Annual savings
Is your demand for rainwater currently higher than your harvest? Please check whether further roof surfaces can be connected.