Water Bill Calculators
Estimate household water costs using your utility’s rates.
US Water Bill Calculator
Enter usage in US gallons, cubic feet, or CCF. Choose flat rates or two progressive tiers, and add fixed fees, optional sewer charges, and a percentage tax or surcharge.
Water Usage Calculator
Estimate daily household use from showers, toilets, faucets, laundry, and other activities.
Gallons to CCF Converter
Convert US gallons, CCF, cubic feet, and liters.
Water and Sewer Bill Calculator
Use separate water and sewer volumes, flat rates, fixed fees, and tax.
City-specific water bill calculators
- NYC Water Bill Calculator
- Boston Water Bill Calculator
- Philadelphia Water Bill Calculator
- Seattle Water Bill Calculator
- Houston Water Bill Calculator
Each page lists its official rate source, rate period, and supported billing rules. Seattle estimates water charges only unless you enter other billed charges.
Choosing the right rates
Use your utility’s official rate schedule for your customer type, meter size, and billing period. Select a city calculator only when its customer type and rate period match your bill.