Pool & Water
Calculators.

Free precision tools — no signup, no ads.

4 Tools

Pool Volume Calculator

Calculate pool volume in gallons for rectangle, oval, round, L-shape, and kidney pools — with chemical dosing guide and heating cost estimate

pool volumepool gallonspool size calculator
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Pool Chemical Dosing Calculator

Calculate exact chemical doses for chlorine, pH, alkalinity, CYA, and calcium hardness — with Langelier Saturation Index water balance

pool chemical dosingpool chlorine calculatorpool pH calculator
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Pond Liner Calculator

Calculate pond liner dimensions (length × width), volume in gallons, pump GPH requirement, and liner type comparison for garden ponds

pond linerpond liner sizepond volume
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Pool Pump Sizing Calculator

Calculate pool pump GPM requirement, total dynamic head, recommended HP, and operating costs — compare single-speed vs variable-speed pump savings

pool pump sizingpool pump GPMpool pump HP
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