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Swimming Pool Size Calculator

Pool Volume Formula:

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

feet
feet
feet

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1. What is the Pool Volume Formula?

The pool volume formula calculates the total water capacity of a rectangular swimming pool in gallons. It takes into account the pool's length, width, and average depth, converting cubic feet to gallons.

2. How Does the Calculator Work?

The calculator uses the pool volume equation:

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

Where:

Explanation: The formula multiplies the three dimensions to get cubic feet, then converts to gallons using the standard conversion factor.

3. Importance of Pool Volume Calculation

Details: Knowing your pool's volume is essential for proper chemical treatment, pump sizing, heating calculations, and general maintenance.

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 average depth for a sloping pool?
A: Add the shallow end depth to the deep end depth, then divide by two. For example: (3ft + 8ft)/2 = 5.5ft average depth.

Q2: What if my pool isn't rectangular?
A: Different formulas exist for circular, oval, or kidney-shaped pools. This calculator is for standard rectangular pools.

Q3: Why is the conversion factor 7.48?
A: There are 7.48052 gallons in one cubic foot of water. We use 7.48 for simplicity in calculations.

Q4: How accurate does this need to be?
A: For chemical treatments, within 10% accuracy is usually sufficient. For precise measurements, consider professional assessment.

Q5: Does this work for above-ground pools?
A: Yes, as long as the pool is rectangular. Measure the actual water dimensions, not the external frame dimensions.

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