All 10 Pool Calculators
Free pool chemical and equipment calculators. Enter your pool size and current levels; get exact quantities with product recommendations.
Salt Calculator
SWG poolsHow many bags of salt for your saltwater pool.
Chlorine Calculator
ChemistryCYA-aware chlorine dosing: liquid, bleach, or granular.
Shock Calculator
ChemistryHow much shock for maintenance, algae, or opening.
pH Calculator
ChemistryMuriatic acid (lower) or soda ash (raise) dosing.
Alkalinity Calculator
ChemistryBaking soda or muriatic acid to adjust total alkalinity (TA, the pH buffer).
CYA Calculator
ChemistryHow much stabilizer (cyanuric acid) to add.
Calcium Hardness Calculator
ChemistryCalcium chloride dosing to protect plaster and equipment.
Volume Calculator
SetupPool gallons from your dimensions (7 pool shapes).
Pump Run Time Calculator
EquipmentDaily run hours and annual electricity cost estimate.
Pump Size Calculator
EquipmentWhat HP pump do you need? GPM + TDH-aware HP recommendation.