Example: Shape: Rectangle · Length / diameter: 32 ft · Width: 16 ft · Average depth: 5 ft → Pool volume: 19,149 gallons.
Cubic feet: 2,560
Initial chlorine (3 ppm): 0.8 lb cal-hypo
Frequently asked questions
How do I calculate pool volume? Enter your numbers above and the result updates instantly. For example: Shape: Rectangle · Length / diameter: 32 ft · Width: 16 ft · Average depth: 5 ft → Pool volume: 19,149 gallons.
Is this Pool Volume Calculator free? Yes — completely free with no sign-up or paywall. It runs entirely in your browser and keeps working offline; the numbers you enter never leave your device.
How accurate is it? It uses the standard published formula for pool volume. Results are estimates for planning — not financial, tax, medical, engineering, or legal advice.