Toilet flush
per person and year %s m³
per person and year %s m³
× persons = l
Washing machine
per person and year %s m³
per person and year %s m³
× persons = l
Cleaning
per person and year %s m³
per person and year %s m³
× persons = l
Garden water usage
l/m² per year
l/m² per year
× m² = 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.