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Water Usage Calculator
EstimatorEstimate daily household water consumption and monthly utility costs.
About This Tool
The average American uses 80–100 gallons of water per day indoors. Toilet flushing accounts for 24% of indoor use; showers 20%; faucets 19%. Low-flow showerheads (1.8 gal/min) vs standard (2.1–2.5 gal/min) can save 1,000+ gallons per person per year.