Calculate Above Ground Pool Gallons

Pool Volume Formula:

\[ V_{gal} = \pi \times r^2 \times D \times 7.48 \]

Pool Volume (gallons):

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1. What is an Above Ground Pool Gallons Calculator?

Definition: This calculator estimates the water volume in gallons for circular above-ground pools based on their dimensions.

Purpose: It helps pool owners and professionals determine the correct amount of water needed to fill a pool.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ V_{gal} = \pi \times r^2 \times D \times 7.48 \]

Where:

\( V_{gal} \) — Volume in gallons
\( r \) — Radius of the pool (feet)
\( D \) — Average depth of the pool (feet)
7.48 — Conversion factor (cubic feet to gallons)

Explanation: The formula calculates the cylindrical volume in cubic feet then converts it to gallons.

3. Importance of Pool Volume Calculation

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

4. Using the Calculator

Tips: Measure the pool's radius (half of diameter) and average depth (shallow end + deep end ÷ 2). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: How do I measure my pool's average depth?
A: Measure the shallowest and deepest points, then calculate the average: (shallow depth + deep depth) ÷ 2.

Q2: What if my pool isn't perfectly circular?
A: This calculator is for circular pools. For oval pools, use: (0.8 × length × width × depth × 7.48).

Q3: Why 7.48 in the formula?
A: There are 7.48 gallons in one cubic foot of water.

Q4: Does this account for pool slope?
A: Yes, when you use the average depth measurement it accounts for sloped bottoms.

Q5: How accurate is this calculation?
A: Very accurate for standard circular pools when proper measurements are taken.