Pool Water Volume Calculator
Calculate the volume of water in your pool in gallons or liters based on shape and dimensions.
Published by:
isCalculator Editorial Team
Reviewed by:
Review Board
Last Updated:
Was this calculator helpful?
How to use this tool?
How to Use the Pool Water Volume Calculator
- Select Pool Shape – Choose Rectangular, Circular, or Oval from the dropdown.
- Choose Unit System – Pick Feet (US) or Meters (Metric).
- Enter Dimensions:
- For Rectangular: Length, Width, and Average Depth.
- For Circular: Diameter (labeled as Length) and Average Depth.
- For Oval: Length, Width, and Average Depth.
- Click "Calculate Volume" – The result shows volume in US gallons and liters, plus the formula used.
Tip: For irregular depths, use the average depth (shallow end + deep end ÷ 2).
Previous Results
| Result | Inputs | Date |
|---|
Frequently Asked Questions
Measure the shallow end depth and deep end depth, then average them: (shallow + deep) / 2. For constant depth pools, just use that depth.
This calculator supports rectangular, circular, and oval pools. For irregular shapes, approximate the shape or divide into sections.
You can choose between feet (US) or meters (metric). The result is displayed in US gallons and liters.