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Swimming Pool Water Capacity Calculator

Rectangular Pool Volume Formula:

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

feet
feet
feet

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1. What is Pool Water Capacity?

Pool water capacity refers to the total volume of water a swimming pool can hold, measured in gallons. Knowing your pool's capacity is essential for proper chemical treatment, filtration system operation, and general maintenance.

2. How Does the Calculator Work?

The calculator uses the rectangular pool volume formula:

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

Where:

Explanation: The formula calculates the cubic footage of the pool and converts it to gallons (1 cubic foot = 7.48 gallons).

3. Importance of Pool Volume Calculation

Details: Accurate volume calculation is crucial for proper chemical dosing, pump sizing, heater operation, and overall pool maintenance. Incorrect volume estimates can lead to water chemistry problems and equipment issues.

4. Using the Calculator

Tips: Measure your pool's length and width at their longest points. For depth, measure the shallow end and deep end, then average them. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: How do I calculate volume for irregular shaped pools?
A: For circular pools use π × radius² × depth × 7.48. For oval pools use π × ½ length × ½ width × depth × 7.48.

Q2: What if my pool has varying depths?
A: Calculate average depth by adding shallow end and deep end depths, then dividing by 2.

Q3: Why is knowing pool volume important?
A: Proper chemical treatment requires knowing volume to maintain safe water balance and sanitation.

Q4: How accurate is this calculation?
A: Very accurate for rectangular pools. For freeform pools, consider breaking into rectangular sections.

Q5: Does this account for pool features like steps?
A: No, this calculates total volume. For precise chemical dosing, you may need to subtract volume occupied by steps or other features.

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