Get your pool water right, without the guesswork
Free calculators for pool volume, chlorine, and water care. Every tool is free, instant, and works right in your browser — nothing is stored or sent anywhere.
Pool Volume CalculatorHow many gallons your pool holds — the number everything else needs.Pool Chlorine CalculatorExact liquid chlorine dose to hit your target FC level.Pool Salt CalculatorPounds of salt to reach your SWG's target ppm.Pool Shock CalculatorThe right shock dose from your combined chlorine reading.CYA (Stabilizer) CalculatorStabilizer dose to stop sunlight burning off your chlorine.Pool Pump Run Time CalculatorTurnover hours and what your pump costs to run.Pool Alkalinity CalculatorBaking soda dose to raise total alkalinity.Muriatic Acid CalculatorAcid dose to bring high alkalinity and pH back down.Pool Heating Cost CalculatorWhat raising your water temperature actually costs.Pool Evaporation CalculatorIs that water loss evaporation — or a leak?Pool Fill Cost CalculatorWhat filling (or refilling) your pool costs, and how long it takes.
Why these calculators?
Pool chemistry questions always come up poolside: the water's cloudy, the test strip says chlorine is low, and the bag of chemicals gives doses per 10,000 gallons you've never calculated. PoolCareKit answers each of those in under a minute — with the formula shown and doses in real-world units — so you add the right amount the first time.