Daily Water Usage Rechner — Formel

How to Calculate Daily Water Usage

Household water use can be broken down by fixture and activity.

Average Usage

  • Showers: 2.0-2.5 gal/min (17% of indoor use)
  • Toilets: 1.6 gal/flush (24% of indoor use)
  • Faucets: 15-20 gal/day
  • Clothes washer: 15-30 gal/load
  • Dishwasher: 6-10 gal/load

    • Formula

    Daily Total = Shower + Toilet + Other

    The average American uses about 80-100 gallons per day indoors.

    Lösungsbeispiel

    A household with 16 min of showers, 10 flushes, and 40 gal other daily use.

    1. Shower: 16 * 2.5 = 40 gallons
    2. Toilet: 10 * 1.6 = 16 gallons
    3. Other: 40 gallons
    4. Daily total: 40 + 16 + 40 = 96 gallons
    5. Annual: 96 * 365 = 35,040 gallons