Browser-based planning tool

Pool Volume Calculator

Estimate rectangular, round or oval pool volume in litres, US gallons and imperial gallons.

Pool volume is useful for equipment discussions and cost planning. Irregular slopes, steps and benches make simple geometry approximate.

How to use the result

Use the result as a cross-check, not a chemical dose. Confirm the manufacturer’s stated volume or obtain a professional calculation before sizing equipment or treating water.

Privacy: The calculation runs in your browser. The site does not receive or store the values you enter.
Planning limitation: This result is an estimate, not a design, quotation, permit decision, water-treatment instruction or safety approval. Verify dimensions, rates, product manuals and local professional requirements.