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Swimming Pool Size Gallons Calculator

Pool Volume Formula:

\[ V = L \times W \times D \times 7.48 \]

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1. What is the Pool Volume Formula?

The pool volume formula calculates the total gallons of water in a rectangular swimming pool. It's essential for proper chemical treatment, pump sizing, and maintenance planning.

2. How Does the Calculator Work?

The calculator uses the pool volume formula:

\[ V = L \times W \times D \times 7.48 \]

Where:

Explanation: The formula multiplies the pool's dimensions to get cubic feet, then converts to gallons (1 cubic foot = 7.48 gallons).

3. Importance of Pool Volume Calculation

Details: Knowing your pool's volume is crucial for proper chemical dosing, selecting the right pump and filter size, and estimating water replacement costs.

4. Using the Calculator

Tips: Measure your pool's length and width at their longest points. For depth, average the shallow and deep end measurements if your pool has a slope.

5. Frequently Asked Questions (FAQ)

Q1: How do I measure an irregularly shaped pool?
A: For non-rectangular pools, divide into rectangular sections, calculate each separately, then sum the volumes.

Q2: What if my pool has a deep end and shallow end?
A: Calculate average depth: (deep end depth + shallow end depth) ÷ 2.

Q3: Does this work for oval or circular pools?
A: No, this is for rectangular pools. Circular pools use π × radius² × depth × 7.48.

Q4: Why is pool volume important for chemicals?
A: Chemical dosages are based on gallons of water. Too little is ineffective, too much can be dangerous.

Q5: How accurate is this calculation?
A: It provides a good estimate. For precise measurements, consider professional water metering during filling.

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