Pool & Water
Calculators.
Free precision tools — no signup.
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 Chemical Dosing Calculator
Calculate exact chemical doses for chlorine, pH, alkalinity, CYA, and calcium hardness — with Langelier Saturation Index water balance
Pond Liner Calculator
Calculate pond liner dimensions (length × width), volume in gallons, pump GPH requirement, and liner type comparison for garden ponds
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