Home Water Usage Calculator

The average American uses about 82 gallons of water a day at home. Enter your household size and daily habits to see where you land — and get your biggest water-saving fixes ranked by how much they'd actually save you.

Your household

People in the household

Average shower length (minutes)

Showerhead type

Standard (~2.5 gal/min) Low-flow (~1.75 gal/min)

Laundry loads per week

Washer type

High-efficiency (~15 gal/load) Old top-loader (~40 gal/load)

Dishwasher runs per week Count hand-washing as roughly 1 run if you wash a full sink by hand most days.

Lawn/garden watering (minutes per week) A sprinkler uses roughly 9 gallons per minute. Enter 0 if you don't water outdoors.

Your water use

gallons per day for your household · 0 per person

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Your biggest fixes, ranked

Estimates based on EPA WaterSense figures (2.5 gal/min standard showerhead, 1.6 gal/flush toilet, ~8 min/person/day of faucet use). Your fixtures and habits will vary — treat this as a directional guide.