Household Water Usage Calculator
Estimates household water use and shows where it goes.
Litres per day
— L
Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Per person per day — L
Cubic metres per year — m³
Cost per year —
Where it goes
The formula
daily use = Σ uses per day
Garden use, drinking and leaks are not included.
What to watch out for
Your meter gives the real total. Use this to see which habit moves it most.
Frequently Asked Questions
How much water does a shower use?
At 9 L/min, an 8-minute shower uses 72 litres.