Pool Care Calculators

Working tools that show their math. Pick one to start.

Pool Volume Calculator

Gallons for rectangle, round, and oval pools using average depth.

Exact oz/lbs/fl-oz to hit a target free-chlorine ppm, by product type.

Dose each balance parameter to its ideal range.

Required flow and minimum filter area from turnover.

Cross-reference Pentair, Hayward, Jandy, Intex & spa cartridges to Pleatco / Unicel / Filbur equivalents.