Running-Toilet Water-Waste Calculator: What Is It Costing You?

A running toilet can quietly waste hundreds to thousands of gallons of water a day. This free calculator uses cited EPA WaterSense and water-utility figures to show the honest range it is costing you each month and year — and the good news: it is almost always a $5-20 fix. Pick how bad the leak is, set your water price, and see the number.

How much is your running toilet costing you?

A running toilet wastes water around the clock -- and it is almost always a cheap fix. Pick how bad it is, set your water price, and see the honest range.

How bad is it?

Prefilled with the U.S. average. Check your water bill for your real rate.
Methodology & sources (how we got these numbers)