Above Ground Pool Water Volume Calculator (Gallons)

Pool Volume Formula:

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

Pool Volume (V):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is the Pool Volume Calculator?

The Pool Volume Calculator estimates the total water capacity of rectangular above-ground pools in gallons. This calculation is essential for proper chemical treatment, pump sizing, and maintenance planning.

2. How Does the Calculator Work?

The calculator uses the standard pool volume formula:

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

Where:

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

Explanation: The formula calculates cubic feet (L × W × D) then converts to gallons (1 cubic foot = 7.48 gallons).

3. Importance of Accurate Volume Calculation

Details: Knowing your pool's exact volume is crucial for proper chemical dosing, filter/pump selection, heating efficiency, and water replacement planning.

4. Using the Calculator

Tips: Measure pool dimensions accurately. For depth, average shallow and deep end measurements if applicable. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: How do I measure average depth?
A: For uniform depth pools, use that measurement. For sloping pools, average the shallowest and deepest points.

Q2: Does this work for oval or round pools?
A: No, this is for rectangular pools only. Round pools use π × radius² × depth × 7.48.

Q3: Why is volume important for chemicals?
A: Chemical dosages are based on gallons of water. Too little won't work, too much can damage pool or swimmers.

Q4: How accurate is this calculation?
A: Very accurate for rectangular pools with precise measurements. Account for any steps or benches that reduce volume.

Q5: What about irregular shaped pools?
A: Break into rectangular sections, calculate each separately, then sum the volumes.