Pool Volume Formula:
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The pool water volume calculation determines the total gallons of water in a swimming pool based on its dimensions. This is essential for proper chemical treatment, filtration, and maintenance.
The calculator uses the standard pool volume formula:
Where:
Explanation: The formula calculates cubic feet first (L × W × D), then converts to gallons (1 cubic foot = 7.48 gallons).
Details: Knowing your pool's volume is crucial for proper chemical dosing, pump sizing, filter maintenance, and heating calculations.
Tips: Measure length and width at the longest/wideest points. For depth, average shallow and deep end measurements if your pool has a slope.
Q1: How do I measure depth for a sloped pool?
A: Average the shallow end depth and deep end depth (e.g., if 3ft shallow and 8ft deep, average depth is 5.5ft).
Q2: What about irregular shaped pools?
A: For circular pools, use π × radius² × depth × 7.48. For freeform pools, break into rectangular sections.
Q3: Why is accurate volume important?
A: Chemical treatments are dosed per gallon. Too little won't work, too much can damage pool or harm swimmers.
Q4: How often should I recalculate volume?
A: Only if you significantly change pool dimensions or if you suspect your previous calculation was inaccurate.
Q5: Does this work for saltwater pools?
A: Yes, the volume calculation is the same regardless of water type (freshwater vs saltwater).