Pool Volume Calculator

Rectangular: L × W × Avg Depth × 7.5. Circular: Diameter² × Avg Depth × 5.9. Oval: L × W × Avg Depth × 5.9. Kidney: multiply rectangular formula by 0.85.

A garden hose flows about 9 GPM. A 15,000-gallon pool takes about 28 hours to fill. Using two hoses cuts time in half. City water trucks can deliver 6,000 gallons at once.

Maintain 1-3 ppm free chlorine. For initial treatment, add 2 oz of liquid chlorine per 1,000 gallons. Shock treatment uses 1 lb of calcium hypochlorite per 10,000 gallons.

The Pool Volume Calculator is an online tool that lets you calculate pool water volume in gallons for chemical dosing, fill time, and cost estimates. It is part of NexTool's collection of free tools designed to help you work faster and more efficiently.

Using the Pool Volume Calculator is simple: visit the tool page, enter your data or input into the provided fields, and get instant results. Follow the controls on the page. Some functions require sign-in or a paid plan; see Pricing for limits.

The Free plan includes 10 tool uses per day. Some features require an account or a paid plan. Check the controls on the tool page and Pricing for the applicable limits.

The Pool Volume Calculator returns results based on the inputs and the tool methodology. Check assumptions, units and source dates. Treat projections as estimates. For critical decisions, always consult a qualified professional.

Yes, the Pool Volume Calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers. Simply open NexTool in your mobile browser and navigate to the tool — no app download required.