Toilet Water Usage Calculator

Ever wonder how much water your toilet uses? Enter your household details below to see your daily, weekly, and annual water consumption, and discover your potential savings!

Enter Your Details

Number of People in Household

Average Flushes Per Person, Per Day

Select Your Toilet Type

Old Toilet (pre-1994, ~3.5 GPF)

Standard Toilet (1994+, ~1.6 GPF)

High-Efficiency (HET, ~1.28 GPF)

Dual-Flush (avg. ~1.1 GPF)

Custom GPF:

Your Water Usage

Daily

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Weekly

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Monthly

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Annual

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Potential Annual Savings

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by switching to a high-efficiency (1.28 GPF) model.

Gallons Per Flush (GPF) values are based on U.S. Environmental Protection Agency (EPA) WaterSense standards.