Water Bill Calculator

Estimate your water and sewer bill from how much you use, or convert CCF on your bill to gallons.

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Rates from your water bill.
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Estimated bill
Gallons used
Water charge
Sewer charge
Cost per 1,000 gallons
Gallons per day (30 days)
Work

Saved Calculations

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How Water Bills Are Calculated

Bill = usage × (water rate + sewer rate) + fixed charges   1 CCF = 100 ft³ = 748.052 gallons

Worked Example

Tips

Many utilities use tiered rates (higher prices for higher use) and bill sewer on winter-average water use. Check your bill for the tiers and use the rate that matches your usage. The average US household uses roughly 300 gallons a day (EPA WaterSense).