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Pool Volume Calculator

Pool Cover Savings Calculator

See how much water and heating cost a cover saves your pool each year — and how quickly it pays for itself.

Tip: calculate your exact volume on the pool volume calculator first, then bring that gallons number here.

How a cover saves money

Most of a pool's water and heat is lost from the open surface to evaporation. A cover stops roughly 90–95% of evaporation, saving both the water itself and the energy that would have reheated it. The U.S. Department of Energy estimates a cover can cut total pool heat loss by around half, sometimes more. Savings scale with surface area, so larger pools benefit most. Enter your surface area, local water price, and monthly heating cost to see the annual saving and payback time.

Questions

This tool, explained

A cover stops most surface evaporation. For a typical pool losing a quarter-inch a day, that's thousands of gallons over a swim season — the calculator estimates your figure from surface area and evaporation rate.
It depends on your water and heating prices. Enter the cover's price and the calculator divides it by your annual saving to estimate payback — often well under a year for heated pools.