App removed from site
We're sorry, "Pool Calculator" has been removed from the App Store.
Please return to the front page and use the search box above to find another app.
Looking for help with calculations while you're adjusting your swimming pool chemistry? The Pool Calculator does all the math for you, telling you exactly how much of each chemical to add to keep your water in balance.
No more puzzling over complicated charts and formulas. Get the exact answer in one step. Bring your iPhone out to the pool and have all the chemical information and calculations you need right at your fingertips! Also includes useful basic pool chemistry information!
Available calculations include:
- Chlorine (FC)
- Raising and lowering pH
- Total alkalinity (TA)
- Calcium hardness (CH)
- Stabilizer (CYA or cyanuric acid)
- Salt
- Borate (Borax)
- Calcium saturation index (CSI, similar to LSI)
- Recommended ranges for each chemical level
- Volume
US, metric, and Imperial units available.
Simply enter your swimming pool volume, current test results and preferred chemicals, and the Pool Calculator will calculate exactly how much of each chemical you need to add to get your water into perfect balance.
Fixed pool volume entry in Metric and Imperial units.
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