Free pool calculators
The same chemistry math our tech app runs on every stop. Work out your pool's gallons, how much chlorine or salt to add, and whether the water is corrosive or scaling. Free, no signup.
Pool volume calculator
Gallons from shape, length, width and depth.Open calculatorChlorine calculator
How much liquid chlorine, cal-hypo, dichlor or trichlor to add.Open calculatorPool salt calculator
Pounds and bags of salt to reach your target ppm.Open calculatorLSI calculator
Is your water corrosive, balanced or scaling?Open calculator
Results are estimates from standard industry factors. Always follow the product label and retest after dosing.