How to Calculate Pool Volume
What is Pool Volume?
Calculates total pool volume to determine chemical dosing, filtration, and pump sizing. Accurate volume is essential for pool maintenance and water safety.
Step-by-Step Guide
- 1Measure pool length, width, and average depth
- 2Multiply: length × width × average depth × 7.48 (cubic feet to gallons)
- 3For irregular shapes, break into sections
- 4Use result for chemical calculations
Worked Examples
Input
20x40x6ft
Result
48000gallons
Common Mistakes to Avoid
- ✕Using depth at one end instead of averaging
- ✕Forgetting to account for spa or attached water features
Frequently Asked Questions
Why is pool volume important?
Chlorine, pH adjusters, and other chemicals require precise dosing based on total volume.
How often should pool water be fully replaced?
Typically every 5-7 years; partial drains occur seasonally based on water testing.
Ready to calculate? Try the free Pool Volume Calculator
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