Last updated: June 1, 2026

Water Bill Calculator

Estimate your monthly and yearly water bill based on daily usage, water rates, and sewer charges.

Daily Water Usage (gallons)

US average: ~80-100 gal/person/day

Water Rate ($/gallon)

Base/Service Fee ($/month)

Sewer Charge (% of water)

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The average US household uses about 80-100 gallons per person per day.

Most utilities charge a sewer fee based on your water usage, typically 80-100% of your water charge.