Pool and spa calculators
Pool volume, chemicals and salt dosing. Every calculator on this page returns a purchase ready quantity with the waste allowance shown and the working visible.
Pool Volume Calculator
Work out how many gallons your pool holds, for rectangular, round and oval pools with a sloping floor. Every chemical dose.
Open calculator →Pool Chemical Calculator
Work out the exact dose to move chlorine, pH, alkalinity, calcium hardness or stabiliser to target, based on your pool volume.
Open calculator →Pool Salt Calculator
Work out how much salt a salt chlorine generator needs to reach target salinity, in pounds and in 40 lb bags, from your current.
Open calculator →