๐ Household
Shower Cost Calculator
Heating water is usually the second biggest energy cost in a home after space heating. A ten-minute shower at 2.5 gallons a minute uses 25 gallons, and warming that water from 60ยฐF to 105ยฐF takes roughly 6,500 BTU.
How it works
Minutes per shower
Showerhead flow rate
Showers per week
People in the household
Water rate
Energy rate
Cold water temperature
Shower temperature
Water heater efficiency
Water per shower
Water cost per shower
Energy cost per shower
Total cost per shower
Household cost per year
Water used per year
Frequently asked questions
How do I use the Shower Cost Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.