1. What is the Pool Volume Formula?

The pool volume formula calculates the total gallons of water in a rectangular swimming pool. It accounts for the pool's length, width, average depth, and converts cubic feet to gallons (1 cubic foot = 7.48 gallons).

2. How Does the Calculator Work?

The calculator uses the pool volume formula:

Where:

• \( V \) — Volume in gallons
• \( L \) — Length in feet
• \( W \) — Width in feet
• \( D \) — Average depth in feet
• 7.48 — Conversion factor (gallons per cubic foot)

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

3. Importance of Pool Volume Calculation

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

4. Using the Calculator

Tips: Measure 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 by adding the deep end and shallow end depths, then dividing by 2.

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

Q4: Why is 7.48 the conversion factor?
A: There are 7.48052 gallons in one cubic foot of water at room temperature.

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