Shower Water Usage Calculator โ Flow, Time and Total Use
Enter shower flow, duration, daily frequency and number of days to calculate water use per shower, per day and for the full period.
Per shower
Per day
Total for period
In cubic metres
Total use = flow per minute ร minutes per shower ร showers per day ร days. Check the showerhead label, or collect water for 10 seconds and multiply the litres by 6 to estimate its flow.
Actual flow varies with water pressure and valve position. Water cost is omitted because local rates and tier structures differ.