Pool Tools & Calculators

Free interactive tools to help you size, dose, and maintain your pool with confidence.

Estimate how many gallons your pool holds based on its shape and dimensions.

Work out exactly how much chlorine, acid, or alkalinity adjuster to add based on your water readings.

See what it costs to run your pool pump per day, month, and season based on wattage and your electricity rate.

Find out how much salt to add to your saltwater pool to hit your target ppm.

Calculate how much liquid chlorine or cal-hypo shock to add to reach your target free chlorine level.

Find out how much cyanuric acid to add to protect your chlorine from the sun, and see the correct shock dose.

Enter your test readings and get a plain-English verdict on whether your water is balanced, plus what to fix first.