Standards-compliant calculators for pool technicians in NZ & Australia. Free, no signup required. Works on mobile.
Each calculator opens on its own page — bookmark the ones you use most.
Exact chlorine and pH adjustment quantities for any pool size. Granular, liquid, trichlor and dichlor.
Required flow rate, pump kW and pipe diameter for any pool volume and turnover target.
Volume in kL and litres for rectangular, round, oval, kidney and freeform pools.